diff --git a/core-java-modules/core-java-string-conversions-2/README.md b/core-java-modules/core-java-string-conversions-2/README.md new file mode 100644 index 0000000000..b4da1b8bad --- /dev/null +++ b/core-java-modules/core-java-string-conversions-2/README.md @@ -0,0 +1,9 @@ +## Java String Conversions + +This module contains articles about string conversions from/to another type. + +### Relevant Articles: +- [Java String Conversions](https://www.baeldung.com/java-string-conversions) +- [Convert String to Byte Array and Reverse in Java](https://www.baeldung.com/java-string-to-byte-array) +- [Convert Char Array to String](https://www.baeldung.com/java-char-array-to-string) +- More articles: [[<-- prev]](/core-java-string-conversions) diff --git a/core-java-modules/core-java-string-conversions-2/pom.xml b/core-java-modules/core-java-string-conversions-2/pom.xml new file mode 100644 index 0000000000..396d836e6b --- /dev/null +++ b/core-java-modules/core-java-string-conversions-2/pom.xml @@ -0,0 +1,47 @@ + + 4.0.0 + core-java-string-conversions-2 + 0.1.0-SNAPSHOT + jar + core-java-string-conversions-2 + + + com.baeldung + parent-java + 0.0.1-SNAPSHOT + ../../parent-java + + + + + com.google.guava + guava + ${guava.version} + + + junit + junit + ${junit.version} + test + + + org.hamcrest + hamcrest-library + ${org.hamcrest.version} + test + + + + + core-java-string-conversions-2 + + + src/main/resources + true + + + + + + diff --git a/java-strings-ops/src/main/java/com/baeldung/datetime/UseLocalDateTime.java b/core-java-modules/core-java-string-conversions-2/src/main/java/com/baeldung/stringconversions/UseLocalDateTime.java similarity index 84% rename from java-strings-ops/src/main/java/com/baeldung/datetime/UseLocalDateTime.java rename to core-java-modules/core-java-string-conversions-2/src/main/java/com/baeldung/stringconversions/UseLocalDateTime.java index 7f39ac2f91..7b43c3b588 100644 --- a/java-strings-ops/src/main/java/com/baeldung/datetime/UseLocalDateTime.java +++ b/core-java-modules/core-java-string-conversions-2/src/main/java/com/baeldung/stringconversions/UseLocalDateTime.java @@ -1,4 +1,4 @@ -package com.baeldung.datetime; +package com.baeldung.stringconversions; import java.time.LocalDateTime; diff --git a/java-strings-3/src/test/java/com/baeldung/string/charArrayToString/CharArrayToStringConversionUnitTest.java b/core-java-modules/core-java-string-conversions-2/src/test/java/com/baeldung/chararraytostring/CharArrayToStringConversionUnitTest.java similarity index 97% rename from java-strings-3/src/test/java/com/baeldung/string/charArrayToString/CharArrayToStringConversionUnitTest.java rename to core-java-modules/core-java-string-conversions-2/src/test/java/com/baeldung/chararraytostring/CharArrayToStringConversionUnitTest.java index 1030185c3e..dc68632f0b 100644 --- a/java-strings-3/src/test/java/com/baeldung/string/charArrayToString/CharArrayToStringConversionUnitTest.java +++ b/core-java-modules/core-java-string-conversions-2/src/test/java/com/baeldung/chararraytostring/CharArrayToStringConversionUnitTest.java @@ -1,4 +1,4 @@ -package com.baeldung.string.charArrayToString; +package com.baeldung.chararraytostring; import static org.hamcrest.Matchers.is; import static org.junit.Assert.assertThat; diff --git a/java-strings-ops/src/test/java/com/baeldung/java/conversion/StringConversionUnitTest.java b/core-java-modules/core-java-string-conversions-2/src/test/java/com/baeldung/stringconversions/StringConversionUnitTest.java similarity index 97% rename from java-strings-ops/src/test/java/com/baeldung/java/conversion/StringConversionUnitTest.java rename to core-java-modules/core-java-string-conversions-2/src/test/java/com/baeldung/stringconversions/StringConversionUnitTest.java index fbbbb21ccd..d896b92b5c 100644 --- a/java-strings-ops/src/test/java/com/baeldung/java/conversion/StringConversionUnitTest.java +++ b/core-java-modules/core-java-string-conversions-2/src/test/java/com/baeldung/stringconversions/StringConversionUnitTest.java @@ -1,4 +1,4 @@ -package com.baeldung.java.conversion; +package com.baeldung.stringconversions; import static org.junit.Assert.assertEquals; @@ -13,8 +13,6 @@ import java.util.GregorianCalendar; import org.junit.Test; -import com.baeldung.datetime.UseLocalDateTime; - public class StringConversionUnitTest { @Test diff --git a/java-strings-ops/src/test/java/com/baeldung/string/conversion/ByteArrayToStringUnitTest.java b/core-java-modules/core-java-string-conversions-2/src/test/java/com/baeldung/stringtobytearray/ByteArrayToStringUnitTest.java similarity index 98% rename from java-strings-ops/src/test/java/com/baeldung/string/conversion/ByteArrayToStringUnitTest.java rename to core-java-modules/core-java-string-conversions-2/src/test/java/com/baeldung/stringtobytearray/ByteArrayToStringUnitTest.java index a9f8a04c8d..e5efffd8f7 100644 --- a/java-strings-ops/src/test/java/com/baeldung/string/conversion/ByteArrayToStringUnitTest.java +++ b/core-java-modules/core-java-string-conversions-2/src/test/java/com/baeldung/stringtobytearray/ByteArrayToStringUnitTest.java @@ -1,4 +1,4 @@ -package com.baeldung.string.conversion; +package com.baeldung.stringtobytearray; import static org.junit.jupiter.api.Assertions.assertEquals; import static org.junit.jupiter.api.Assertions.assertNotNull; diff --git a/java-strings-ops/src/test/java/com/baeldung/string/conversion/StringToByteArrayUnitTest.java b/core-java-modules/core-java-string-conversions-2/src/test/java/com/baeldung/stringtobytearray/StringToByteArrayUnitTest.java similarity index 99% rename from java-strings-ops/src/test/java/com/baeldung/string/conversion/StringToByteArrayUnitTest.java rename to core-java-modules/core-java-string-conversions-2/src/test/java/com/baeldung/stringtobytearray/StringToByteArrayUnitTest.java index 5377b4b28d..961c99bbde 100644 --- a/java-strings-ops/src/test/java/com/baeldung/string/conversion/StringToByteArrayUnitTest.java +++ b/core-java-modules/core-java-string-conversions-2/src/test/java/com/baeldung/stringtobytearray/StringToByteArrayUnitTest.java @@ -1,4 +1,4 @@ -package com.baeldung.string.conversion; +package com.baeldung.stringtobytearray; import static org.junit.jupiter.api.Assertions.assertArrayEquals; import static org.junit.jupiter.api.Assertions.assertNotNull; diff --git a/core-java-modules/core-java-string-conversions/README.md b/core-java-modules/core-java-string-conversions/README.md new file mode 100644 index 0000000000..251851e8ac --- /dev/null +++ b/core-java-modules/core-java-string-conversions/README.md @@ -0,0 +1,17 @@ +## Java String Conversions + +This module contains articles about string conversions from/to another type. + +### Relevant Articles: +- [Converting String to Stream of chars](https://www.baeldung.com/java-string-to-stream) +- [Converting Strings to Enums in Java](https://www.baeldung.com/java-string-to-enum) +- [Convert a String to Title Case](https://www.baeldung.com/java-string-title-case) +- [Convert java.util.Date to String](https://www.baeldung.com/java-util-date-to-string) +- [Converting a Stack Trace to a String in Java](https://www.baeldung.com/java-stacktrace-to-string) +- [Image to Base64 String Conversion](https://www.baeldung.com/java-base64-image-string) +- [Convert a Comma Separated String to a List in Java](https://www.baeldung.com/java-string-with-separator-to-list) +- [Converting Java String to Double](https://www.baeldung.com/java-string-to-double) +- [Convert Char to String in Java](https://www.baeldung.com/java-convert-char-to-string) +- [Convert String to int or Integer in Java](https://www.baeldung.com/java-convert-string-to-int-or-integer) +- More articles: [[next -->]](/core-java-string-conversions-2) +"Counting Words in a String \ No newline at end of file diff --git a/core-java-modules/core-java-string-conversions/pom.xml b/core-java-modules/core-java-string-conversions/pom.xml new file mode 100644 index 0000000000..9c968b7f1c --- /dev/null +++ b/core-java-modules/core-java-string-conversions/pom.xml @@ -0,0 +1,67 @@ + + 4.0.0 + core-java-string-conversions + 0.1.0-SNAPSHOT + jar + core-java-string-conversions + + + com.baeldung + parent-java + 0.0.1-SNAPSHOT + ../../parent-java + + + + + com.ibm.icu + icu4j + ${icu4j.version} + + + commons-io + commons-io + ${commons-io.version} + + + org.apache.commons + commons-lang3 + ${commons-lang3.version} + + + com.google.guava + guava + ${guava.version} + + + + org.assertj + assertj-core + ${assertj.version} + test + + + org.hamcrest + hamcrest-library + ${org.hamcrest.version} + test + + + + + core-java-string-conversions + + + src/main/resources + true + + + + + + 61.1 + 3.6.1 + + + diff --git a/java-strings/src/main/java/com/baeldung/enums/PizzaStatusEnum.java b/core-java-modules/core-java-string-conversions/src/main/java/com/baeldung/stringtoenum/PizzaStatusEnum.java similarity index 95% rename from java-strings/src/main/java/com/baeldung/enums/PizzaStatusEnum.java rename to core-java-modules/core-java-string-conversions/src/main/java/com/baeldung/stringtoenum/PizzaStatusEnum.java index a84829c38d..02646ef997 100644 --- a/java-strings/src/main/java/com/baeldung/enums/PizzaStatusEnum.java +++ b/core-java-modules/core-java-string-conversions/src/main/java/com/baeldung/stringtoenum/PizzaStatusEnum.java @@ -1,4 +1,4 @@ -package com.baeldung.enums; +package com.baeldung.stringtoenum; public enum PizzaStatusEnum { ORDERED(5) { diff --git a/java-strings/src/main/java/com/baeldung/string/TitleCaseConverter.java b/core-java-modules/core-java-string-conversions/src/main/java/com/baeldung/titlecase/TitleCaseConverter.java similarity index 98% rename from java-strings/src/main/java/com/baeldung/string/TitleCaseConverter.java rename to core-java-modules/core-java-string-conversions/src/main/java/com/baeldung/titlecase/TitleCaseConverter.java index 81043f6dac..1c35e1a2d6 100644 --- a/java-strings/src/main/java/com/baeldung/string/TitleCaseConverter.java +++ b/core-java-modules/core-java-string-conversions/src/main/java/com/baeldung/titlecase/TitleCaseConverter.java @@ -1,12 +1,11 @@ -package com.baeldung.string; - -import java.util.Arrays; -import java.util.stream.Collectors; - -import org.apache.commons.lang3.text.WordUtils; +package com.baeldung.titlecase; import com.ibm.icu.lang.UCharacter; import com.ibm.icu.text.BreakIterator; +import org.apache.commons.lang3.text.WordUtils; + +import java.util.Arrays; +import java.util.stream.Collectors; public class TitleCaseConverter { diff --git a/java-strings-ops/src/test/java/com/baeldung/CharToStringUnitTest.java b/core-java-modules/core-java-string-conversions/src/test/java/com/baeldung/chartostring/CharToStringUnitTest.java similarity index 97% rename from java-strings-ops/src/test/java/com/baeldung/CharToStringUnitTest.java rename to core-java-modules/core-java-string-conversions/src/test/java/com/baeldung/chartostring/CharToStringUnitTest.java index 78742e356d..db7c8a16ec 100644 --- a/java-strings-ops/src/test/java/com/baeldung/CharToStringUnitTest.java +++ b/core-java-modules/core-java-string-conversions/src/test/java/com/baeldung/chartostring/CharToStringUnitTest.java @@ -1,4 +1,4 @@ -package com.baeldung; +package com.baeldung.chartostring; import org.junit.Test; diff --git a/java-strings-2/src/test/java/com/baeldung/string/formatter/DateToStringFormatterUnitTest.java b/core-java-modules/core-java-string-conversions/src/test/java/com/baeldung/datetostring/DateToStringFormatterUnitTest.java similarity index 98% rename from java-strings-2/src/test/java/com/baeldung/string/formatter/DateToStringFormatterUnitTest.java rename to core-java-modules/core-java-string-conversions/src/test/java/com/baeldung/datetostring/DateToStringFormatterUnitTest.java index d760510c73..221900fb0e 100644 --- a/java-strings-2/src/test/java/com/baeldung/string/formatter/DateToStringFormatterUnitTest.java +++ b/core-java-modules/core-java-string-conversions/src/test/java/com/baeldung/datetostring/DateToStringFormatterUnitTest.java @@ -1,6 +1,7 @@ -package com.baeldung.string.formatter; +package com.baeldung.datetostring; -import static org.junit.Assert.assertEquals; +import org.junit.BeforeClass; +import org.junit.Test; import java.text.DateFormat; import java.text.SimpleDateFormat; @@ -13,8 +14,7 @@ import java.util.Date; import java.util.Locale; import java.util.TimeZone; -import org.junit.BeforeClass; -import org.junit.Test; +import static org.junit.Assert.assertEquals; public class DateToStringFormatterUnitTest { diff --git a/java-strings-2/src/test/java/com/baeldung/fileToBase64StringConversion/FileToBase64StringConversionUnitTest.java b/core-java-modules/core-java-string-conversions/src/test/java/com/baeldung/filetobase64conversion/FileToBase64StringConversionUnitTest.java similarity index 96% rename from java-strings-2/src/test/java/com/baeldung/fileToBase64StringConversion/FileToBase64StringConversionUnitTest.java rename to core-java-modules/core-java-string-conversions/src/test/java/com/baeldung/filetobase64conversion/FileToBase64StringConversionUnitTest.java index eef21a98c9..9b165069d6 100644 --- a/java-strings-2/src/test/java/com/baeldung/fileToBase64StringConversion/FileToBase64StringConversionUnitTest.java +++ b/core-java-modules/core-java-string-conversions/src/test/java/com/baeldung/filetobase64conversion/FileToBase64StringConversionUnitTest.java @@ -1,13 +1,13 @@ -package com.baeldung.fileToBase64StringConversion; +package com.baeldung.filetobase64conversion; -import static org.junit.Assert.assertTrue; +import org.apache.commons.io.FileUtils; +import org.junit.Test; import java.io.File; import java.io.IOException; import java.util.Base64; -import org.apache.commons.io.FileUtils; -import org.junit.Test; +import static org.junit.Assert.assertTrue; public class FileToBase64StringConversionUnitTest { diff --git a/java-strings-3/src/test/java/com/baeldung/string/todouble/StringToDoubleConversionUnitTest.java b/core-java-modules/core-java-string-conversions/src/test/java/com/baeldung/stringtodouble/StringToDoubleConversionUnitTest.java similarity index 97% rename from java-strings-3/src/test/java/com/baeldung/string/todouble/StringToDoubleConversionUnitTest.java rename to core-java-modules/core-java-string-conversions/src/test/java/com/baeldung/stringtodouble/StringToDoubleConversionUnitTest.java index 2c87af53f8..e29b55d52a 100644 --- a/java-strings-3/src/test/java/com/baeldung/string/todouble/StringToDoubleConversionUnitTest.java +++ b/core-java-modules/core-java-string-conversions/src/test/java/com/baeldung/stringtodouble/StringToDoubleConversionUnitTest.java @@ -1,4 +1,4 @@ -package com.baeldung.string.todouble; +package com.baeldung.stringtodouble; import static org.junit.Assert.assertEquals; diff --git a/java-strings/src/test/java/com/baeldung/enums/PizzaUnitTest.java b/core-java-modules/core-java-string-conversions/src/test/java/com/baeldung/stringtoenum/StringToEnumUnitTest.java similarity index 92% rename from java-strings/src/test/java/com/baeldung/enums/PizzaUnitTest.java rename to core-java-modules/core-java-string-conversions/src/test/java/com/baeldung/stringtoenum/StringToEnumUnitTest.java index 3e52a89bad..f6b3bf2aa6 100644 --- a/java-strings/src/test/java/com/baeldung/enums/PizzaUnitTest.java +++ b/core-java-modules/core-java-string-conversions/src/test/java/com/baeldung/stringtoenum/StringToEnumUnitTest.java @@ -1,10 +1,10 @@ -package com.baeldung.enums; +package com.baeldung.stringtoenum; import static junit.framework.TestCase.assertTrue; import org.junit.Test; -public class PizzaUnitTest { +public class StringToEnumUnitTest { @Test public void whenConvertedIntoEnum_thenGetsConvertedCorrectly() { diff --git a/java-strings/src/test/java/com/baeldung/StringToIntOrIntegerUnitTest.java b/core-java-modules/core-java-string-conversions/src/test/java/com/baeldung/stringtoint/StringToIntOrIntegerUnitTest.java similarity index 97% rename from java-strings/src/test/java/com/baeldung/StringToIntOrIntegerUnitTest.java rename to core-java-modules/core-java-string-conversions/src/test/java/com/baeldung/stringtoint/StringToIntOrIntegerUnitTest.java index a7ad0bf114..106f1fc974 100644 --- a/java-strings/src/test/java/com/baeldung/StringToIntOrIntegerUnitTest.java +++ b/core-java-modules/core-java-string-conversions/src/test/java/com/baeldung/stringtoint/StringToIntOrIntegerUnitTest.java @@ -1,4 +1,4 @@ -package com.baeldung; +package com.baeldung.stringtoint; import static org.assertj.core.api.Assertions.assertThat; diff --git a/java-strings-2/src/test/java/com/baeldung/ConvertStringToListUnitTest.java b/core-java-modules/core-java-string-conversions/src/test/java/com/baeldung/stringtolist/ConvertStringToListUnitTest.java similarity index 96% rename from java-strings-2/src/test/java/com/baeldung/ConvertStringToListUnitTest.java rename to core-java-modules/core-java-string-conversions/src/test/java/com/baeldung/stringtolist/ConvertStringToListUnitTest.java index 47357a99cc..b9e0cede31 100644 --- a/java-strings-2/src/test/java/com/baeldung/ConvertStringToListUnitTest.java +++ b/core-java-modules/core-java-string-conversions/src/test/java/com/baeldung/stringtolist/ConvertStringToListUnitTest.java @@ -1,135 +1,134 @@ -package com.baeldung; - -import static org.junit.Assert.assertEquals; - -import java.util.ArrayList; -import java.util.Arrays; -import java.util.List; -import java.util.stream.Collectors; -import java.util.stream.Stream; - -import org.apache.commons.lang3.StringUtils; -import org.junit.Test; - -import com.google.common.base.Function; -import com.google.common.base.Splitter; -import com.google.common.collect.Lists; - -public class ConvertStringToListUnitTest { - - private final String countries = "Russia,Germany,England,France,Italy"; - private final String ranks = "1,2,3,4,5, 6,7"; - private final String emptyStrings = ",,,,,"; - private final List expectedCountriesList = Arrays.asList("Russia", "Germany", "England", "France", "Italy"); - private final List expectedRanksList = Arrays.asList(1, 2, 3, 4, 5, 6, 7); - private final List expectedEmptyStringsList = Arrays.asList("", "", "", "", "", ""); - - @Test - public void givenString_thenGetListOfStringByJava() { - List convertedCountriesList = Arrays.asList(countries.split(",", -1)); - - assertEquals(expectedCountriesList, convertedCountriesList); - } - - @Test - public void givenString_thenGetListOfStringByApache() { - List convertedCountriesList = Arrays.asList(StringUtils.splitPreserveAllTokens(countries, ",")); - - assertEquals(expectedCountriesList, convertedCountriesList); - } - - @Test - public void givenString_thenGetListOfStringByGuava() { - List convertedCountriesList = Splitter.on(",") - .trimResults() - .splitToList(countries); - - assertEquals(expectedCountriesList, convertedCountriesList); - } - - @Test - public void givenString_thenGetListOfStringByJava8() { - List convertedCountriesList = Stream.of(countries.split(",", -1)) - .collect(Collectors.toList()); - - assertEquals(expectedCountriesList, convertedCountriesList); - } - - @Test - public void givenString_thenGetListOfIntegerByJava() { - String[] convertedRankArray = ranks.split(","); - List convertedRankList = new ArrayList(); - for (String number : convertedRankArray) { - convertedRankList.add(Integer.parseInt(number.trim())); - } - - assertEquals(expectedRanksList, convertedRankList); - } - - @Test - public void givenString_thenGetListOfIntegerByGuava() { - List convertedRankList = Lists.transform(Splitter.on(",") - .trimResults() - .splitToList(ranks), new Function() { - @Override - public Integer apply(String input) { - return Integer.parseInt(input.trim()); - } - }); - - assertEquals(expectedRanksList, convertedRankList); - } - - @Test - public void givenString_thenGetListOfIntegerByJava8() { - List convertedRankList = Stream.of(ranks.split(",")) - .map(String::trim) - .map(Integer::parseInt) - .collect(Collectors.toList()); - - assertEquals(expectedRanksList, convertedRankList); - } - - @Test - public void givenString_thenGetListOfIntegerByApache() { - String[] convertedRankArray = StringUtils.split(ranks, ","); - List convertedRankList = new ArrayList(); - for (String number : convertedRankArray) { - convertedRankList.add(Integer.parseInt(number.trim())); - } - - assertEquals(expectedRanksList, convertedRankList); - } - - @Test - public void givenEmptyStrings_thenGetListOfStringByJava() { - List convertedEmptyStringsList = Arrays.asList(emptyStrings.split(",", -1)); - - assertEquals(expectedEmptyStringsList, convertedEmptyStringsList); - } - - @Test - public void givenEmptyStrings_thenGetListOfStringByApache() { - List convertedEmptyStringsList = Arrays.asList(StringUtils.splitPreserveAllTokens(emptyStrings, ",")); - - assertEquals(expectedEmptyStringsList, convertedEmptyStringsList); - } - - @Test - public void givenEmptyStrings_thenGetListOfStringByGuava() { - List convertedEmptyStringsList = Splitter.on(",") - .trimResults() - .splitToList(emptyStrings); - - assertEquals(expectedEmptyStringsList, convertedEmptyStringsList); - } - - @Test - public void givenEmptyStrings_thenGetListOfStringByJava8() { - List convertedEmptyStringsList = Stream.of(emptyStrings.split(",", -1)) - .collect(Collectors.toList()); - - assertEquals(expectedEmptyStringsList, convertedEmptyStringsList); - } - -} +package com.baeldung.stringtolist; + +import com.google.common.base.Function; +import com.google.common.base.Splitter; +import com.google.common.collect.Lists; +import org.apache.commons.lang3.StringUtils; +import org.junit.Test; + +import java.util.ArrayList; +import java.util.Arrays; +import java.util.List; +import java.util.stream.Collectors; +import java.util.stream.Stream; + +import static org.junit.Assert.assertEquals; + +public class ConvertStringToListUnitTest { + + private final String countries = "Russia,Germany,England,France,Italy"; + private final String ranks = "1,2,3,4,5, 6,7"; + private final String emptyStrings = ",,,,,"; + private final List expectedCountriesList = Arrays.asList("Russia", "Germany", "England", "France", "Italy"); + private final List expectedRanksList = Arrays.asList(1, 2, 3, 4, 5, 6, 7); + private final List expectedEmptyStringsList = Arrays.asList("", "", "", "", "", ""); + + @Test + public void givenString_thenGetListOfStringByJava() { + List convertedCountriesList = Arrays.asList(countries.split(",", -1)); + + assertEquals(expectedCountriesList, convertedCountriesList); + } + + @Test + public void givenString_thenGetListOfStringByApache() { + List convertedCountriesList = Arrays.asList(StringUtils.splitPreserveAllTokens(countries, ",")); + + assertEquals(expectedCountriesList, convertedCountriesList); + } + + @Test + public void givenString_thenGetListOfStringByGuava() { + List convertedCountriesList = Splitter.on(",") + .trimResults() + .splitToList(countries); + + assertEquals(expectedCountriesList, convertedCountriesList); + } + + @Test + public void givenString_thenGetListOfStringByJava8() { + List convertedCountriesList = Stream.of(countries.split(",", -1)) + .collect(Collectors.toList()); + + assertEquals(expectedCountriesList, convertedCountriesList); + } + + @Test + public void givenString_thenGetListOfIntegerByJava() { + String[] convertedRankArray = ranks.split(","); + List convertedRankList = new ArrayList(); + for (String number : convertedRankArray) { + convertedRankList.add(Integer.parseInt(number.trim())); + } + + assertEquals(expectedRanksList, convertedRankList); + } + + @Test + public void givenString_thenGetListOfIntegerByGuava() { + List convertedRankList = Lists.transform(Splitter.on(",") + .trimResults() + .splitToList(ranks), new Function() { + @Override + public Integer apply(String input) { + return Integer.parseInt(input.trim()); + } + }); + + assertEquals(expectedRanksList, convertedRankList); + } + + @Test + public void givenString_thenGetListOfIntegerByJava8() { + List convertedRankList = Stream.of(ranks.split(",")) + .map(String::trim) + .map(Integer::parseInt) + .collect(Collectors.toList()); + + assertEquals(expectedRanksList, convertedRankList); + } + + @Test + public void givenString_thenGetListOfIntegerByApache() { + String[] convertedRankArray = StringUtils.split(ranks, ","); + List convertedRankList = new ArrayList(); + for (String number : convertedRankArray) { + convertedRankList.add(Integer.parseInt(number.trim())); + } + + assertEquals(expectedRanksList, convertedRankList); + } + + @Test + public void givenEmptyStrings_thenGetListOfStringByJava() { + List convertedEmptyStringsList = Arrays.asList(emptyStrings.split(",", -1)); + + assertEquals(expectedEmptyStringsList, convertedEmptyStringsList); + } + + @Test + public void givenEmptyStrings_thenGetListOfStringByApache() { + List convertedEmptyStringsList = Arrays.asList(StringUtils.splitPreserveAllTokens(emptyStrings, ",")); + + assertEquals(expectedEmptyStringsList, convertedEmptyStringsList); + } + + @Test + public void givenEmptyStrings_thenGetListOfStringByGuava() { + List convertedEmptyStringsList = Splitter.on(",") + .trimResults() + .splitToList(emptyStrings); + + assertEquals(expectedEmptyStringsList, convertedEmptyStringsList); + } + + @Test + public void givenEmptyStrings_thenGetListOfStringByJava8() { + List convertedEmptyStringsList = Stream.of(emptyStrings.split(",", -1)) + .collect(Collectors.toList()); + + assertEquals(expectedEmptyStringsList, convertedEmptyStringsList); + } + +} diff --git a/java-strings/src/test/java/com/baeldung/string/StringToCharStreamUnitTest.java b/core-java-modules/core-java-string-conversions/src/test/java/com/baeldung/stringtostream/StringToCharStreamUnitTest.java similarity index 98% rename from java-strings/src/test/java/com/baeldung/string/StringToCharStreamUnitTest.java rename to core-java-modules/core-java-string-conversions/src/test/java/com/baeldung/stringtostream/StringToCharStreamUnitTest.java index 1b02e5d291..cd5727dcf8 100644 --- a/java-strings/src/test/java/com/baeldung/string/StringToCharStreamUnitTest.java +++ b/core-java-modules/core-java-string-conversions/src/test/java/com/baeldung/stringtostream/StringToCharStreamUnitTest.java @@ -1,4 +1,4 @@ -package com.baeldung.string; +package com.baeldung.stringtostream; import org.junit.Test; diff --git a/java-strings/src/test/java/com/baeldung/string/TitleCaseConverterUnitTest.java b/core-java-modules/core-java-string-conversions/src/test/java/com/baeldung/titlecase/TitleCaseConverterUnitTest.java similarity index 99% rename from java-strings/src/test/java/com/baeldung/string/TitleCaseConverterUnitTest.java rename to core-java-modules/core-java-string-conversions/src/test/java/com/baeldung/titlecase/TitleCaseConverterUnitTest.java index 2272565cd3..73694d2c1c 100644 --- a/java-strings/src/test/java/com/baeldung/string/TitleCaseConverterUnitTest.java +++ b/core-java-modules/core-java-string-conversions/src/test/java/com/baeldung/titlecase/TitleCaseConverterUnitTest.java @@ -1,4 +1,4 @@ -package com.baeldung.string; +package com.baeldung.titlecase; import org.junit.Assert; import org.junit.Test; diff --git a/java-strings-2/src/test/resources/test_image.jpg b/core-java-modules/core-java-string-conversions/src/test/resources/test_image.jpg similarity index 100% rename from java-strings-2/src/test/resources/test_image.jpg rename to core-java-modules/core-java-string-conversions/src/test/resources/test_image.jpg diff --git a/java-strings-2/README.md b/java-strings-2/README.md index 82f33997c5..9865019f74 100644 --- a/java-strings-2/README.md +++ b/java-strings-2/README.md @@ -8,14 +8,12 @@ This module contains articles about strings in Java. - [Check If a String Contains a Substring](https://www.baeldung.com/java-string-contains-substring) - [Removing Stopwords from a String in Java](https://www.baeldung.com/java-string-remove-stopwords) - [Java – Generate Random String](https://www.baeldung.com/java-random-string) -- [Image to Base64 String Conversion](https://www.baeldung.com/java-base64-image-string) - [Java Base64 Encoding and Decoding](https://www.baeldung.com/java-base64-encode-and-decode) - [Generate a Secure Random Password in Java](https://www.baeldung.com/java-generate-secure-password) - [Removing Repeated Characters from a String](https://www.baeldung.com/java-remove-repeated-char) - [Join Array of Primitives with Separator in Java](https://www.baeldung.com/java-join-primitive-array) - [Pad a String with Zeros or Spaces in Java](https://www.baeldung.com/java-pad-string) - [Remove Emojis from a Java String](https://www.baeldung.com/java-string-remove-emojis) -- [Convert a Comma Separated String to a List in Java](https://www.baeldung.com/java-string-with-separator-to-list) - [Guide to java.util.Formatter](https://www.baeldung.com/java-string-formatter) - [Remove Leading and Trailing Characters from a String](https://www.baeldung.com/java-remove-trailing-characters) - [Concatenating Strings In Java](https://www.baeldung.com/java-strings-concatenation) diff --git a/java-strings-3/README.md b/java-strings-3/README.md index f0aaddefcb..6276dfc621 100644 --- a/java-strings-3/README.md +++ b/java-strings-3/README.md @@ -3,6 +3,7 @@ This module contains articles about strings in Java. ### Relevant Articles: - -- [Converting Java String to Double](https://www.baeldung.com/java-string-to-double) +- [Java String equalsIgnoreCase()](https://www.baeldung.com/java-string-equalsignorecase) +- [Finding the Difference Between Two Strings](https://www.baeldung.com/java-difference-between-two-strings) +- [Counting Words in a String](https://www.baeldung.com/java-word-counting) - More articles: [[<-- prev>]](/java-strings-2) diff --git a/java-strings-ops/README.md b/java-strings-ops/README.md index 31c5f48022..3b00cd11ed 100644 --- a/java-strings-ops/README.md +++ b/java-strings-ops/README.md @@ -3,10 +3,7 @@ This module contains articles about operations on strings in Java. ### Relevant Articles: -- [Convert char to String in Java](https://www.baeldung.com/java-convert-char-to-string) -- [Convert String to int or Integer in Java](https://www.baeldung.com/java-convert-string-to-int-or-integer) -- [Java String Conversions](https://www.baeldung.com/java-string-conversions) -- [Check if a String is a Palindrome](https://www.baeldung.com/java-palindrome) +- [Check If a String Is a Palindrome](https://www.baeldung.com/java-palindrome) - [Comparing Strings in Java](https://www.baeldung.com/java-compare-strings) - [Check If a String Is Numeric in Java](https://www.baeldung.com/java-check-string-number) - [Get Substring from String in Java](https://www.baeldung.com/java-substring) @@ -16,7 +13,6 @@ This module contains articles about operations on strings in Java. - [Guide to Java String Pool](https://www.baeldung.com/java-string-pool) - [Split a String in Java](https://www.baeldung.com/java-split-string) - [Common String Operations in Java](https://www.baeldung.com/java-string-operations) -- [Convert String to Byte Array and Reverse in Java](https://www.baeldung.com/java-string-to-byte-array) - [Java toString() Method](https://www.baeldung.com/java-tostring) - [CharSequence vs. String in Java](https://www.baeldung.com/java-char-sequence-string) - [StringBuilder and StringBuffer in Java](https://www.baeldung.com/java-string-builder-string-buffer) diff --git a/java-strings-ops/src/test/java/com/baeldung/java/conversion/README.md b/java-strings-ops/src/test/java/com/baeldung/java/conversion/README.md deleted file mode 100644 index 7c81180249..0000000000 --- a/java-strings-ops/src/test/java/com/baeldung/java/conversion/README.md +++ /dev/null @@ -1,2 +0,0 @@ -Relevant Articles: -- [Java String Conversions](http://www.baeldung.com/java-string-conversions) diff --git a/java-strings/README.md b/java-strings/README.md index 1faa11f606..3146b54fa8 100644 --- a/java-strings/README.md +++ b/java-strings/README.md @@ -4,21 +4,16 @@ This module contains articles about strings in Java. ### Relevant Articles: - [String Operations with Java Streams](https://www.baeldung.com/java-stream-operations-on-strings) -- [Converting String to Stream of chars](https://www.baeldung.com/java-string-to-stream) - [Java 8 StringJoiner](https://www.baeldung.com/java-string-joiner) -- [Converting Strings to Enums in Java](https://www.baeldung.com/java-string-to-enum) - [Quick Guide to the Java StringTokenizer](https://www.baeldung.com/java-stringtokenizer) - [Use char[] Array Over a String for Manipulating Passwords in Java?](https://www.baeldung.com/java-storing-passwords) -- [Convert a String to Title Case](https://www.baeldung.com/java-string-title-case) - [Compact Strings in Java 9](https://www.baeldung.com/java-9-compact-string) - [Java Check a String for Lowercase/Uppercase Letter, Special Character and Digit](https://www.baeldung.com/java-lowercase-uppercase-special-character-digit-regex) -- [Convert java.util.Date to String](https://www.baeldung.com/java-util-date-to-string) -- [Converting a Stack Trace to a String in Java](https://www.baeldung.com/java-stacktrace-to-string) - [Sorting a String Alphabetically in Java](https://www.baeldung.com/java-sort-string-alphabetically) - [String Not Empty Test Assertions in Java](https://www.baeldung.com/java-assert-string-not-empty) - [String Performance Hints](https://www.baeldung.com/java-string-performance) - [Using indexOf to Find All Occurrences of a Word in a String](https://www.baeldung.com/java-indexOf-find-string-occurrences) - [Adding a Newline Character to a String in Java](https://www.baeldung.com/java-string-newline) -- [Remove or Replace part of a String in Java](https://www.baeldung.com/java-remove-replace-string-part) +- [Remove or Replace Part of a String in Java](https://www.baeldung.com/java-remove-replace-string-part) - [Replace a Character at a Specific Index in a String in Java](https://www.baeldung.com/java-replace-character-at-index) - More articles: [[next -->]](/java-strings-2) diff --git a/pom.xml b/pom.xml index da8b391802..a00190c874 100644 --- a/pom.xml +++ b/pom.xml @@ -428,6 +428,8 @@ core-java-modules/core-java-perf core-java-modules/core-java-reflection core-java-modules/core-java-sun + core-java-modules/core-java-string-conversions + core-java-modules/core-java-string-conversions-2 core-java-modules/core-java core-java-modules/core-java-jvm core-scala @@ -1189,6 +1191,8 @@ core-java-modules/core-java-networking core-java-modules/core-java-perf core-java-modules/core-java-sun + core-java-modules/core-java-string-conversions + core-java-modules/core-java-string-conversions-2 core-scala couchbase custom-pmd