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[BAEL-8232] - Removed unwanted dependencies and moved CountCharsExampleUnitTest from core-java to java-strings module

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This commit is contained in:
amit2103
2018-08-19 00:02:02 +05:30
parent ab17b8e697
commit ca9b13d705
2 changed files with 5 additions and 71 deletions
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67
java-strings/pom.xml
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@@ -15,11 +15,6 @@
</parent>
<dependencies>
<dependency>
<groupId>org.apache.commons</groupId>
<artifactId>commons-collections4</artifactId>
<version>${commons-collections4.version}</version>
</dependency>
<dependency>
<groupId>commons-io</groupId>
<artifactId>commons-io</artifactId>
@@ -40,12 +35,6 @@
<artifactId>commons-codec</artifactId>
<version>${commons-codec.version}</version>
</dependency>
<dependency>
<groupId>org.projectlombok</groupId>
<artifactId>lombok</artifactId>
<version>${lombok.version}</version>
<scope>provided</scope>
</dependency>
<!-- test scoped -->
<dependency>
<groupId>org.assertj</groupId>
@@ -53,57 +42,11 @@
<version>${assertj.version}</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>com.jayway.awaitility</groupId>
<artifactId>awaitility</artifactId>
<version>${avaitility.version}</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.openjdk.jmh</groupId>
<artifactId>jmh-core</artifactId>
<version>${jmh-core.version}</version>
</dependency>
<dependency>
<groupId>org.openjdk.jmh</groupId>
<artifactId>jmh-generator-annprocess</artifactId>
<version>${jmh-generator.version}</version>
</dependency>
<dependency>
<groupId>org.openjdk.jmh</groupId>
<artifactId>jmh-generator-bytecode</artifactId>
<version>${jmh-generator.version}</version>
</dependency>
<dependency>
<groupId>com.codepoetics</groupId>
<artifactId>protonpack</artifactId>
<version>${protonpack.version}</version>
</dependency>
<dependency>
<groupId>io.vavr</groupId>
<artifactId>vavr</artifactId>
<version>${vavr.version}</version>
</dependency>
<dependency>
<groupId>one.util</groupId>
<artifactId>streamex</artifactId>
<version>${streamex.version}</version>
</dependency>
<dependency>
<groupId>joda-time</groupId>
<artifactId>joda-time</artifactId>
<version>${joda.version}</version>
</dependency>
<dependency>
<groupId>org.aspectj</groupId>
<artifactId>aspectjrt</artifactId>
<version>${asspectj.version}</version>
</dependency>
<dependency>
<groupId>org.aspectj</groupId>
<artifactId>aspectjweaver</artifactId>
<version>${asspectj.version}</version>
</dependency>
<dependency>
<groupId>com.ibm.icu</groupId>
<artifactId>icu4j</artifactId>
@@ -154,20 +97,10 @@
<properties>
<!-- util -->
<commons-lang3.version>3.5</commons-lang3.version>
<commons-collections4.version>4.1</commons-collections4.version>
<collections-generic.version>4.01</collections-generic.version>
<commons-codec.version>1.10</commons-codec.version>
<lombok.version>1.16.12</lombok.version>
<vavr.version>0.9.0</vavr.version>
<protonpack.version>1.13</protonpack.version>
<streamex.version>0.6.5</streamex.version>
<joda.version>2.10</joda.version>
<!-- testing -->
<assertj.version>3.6.1</assertj.version>
<asspectj.version>1.8.9</asspectj.version>
<avaitility.version>1.7.0</avaitility.version>
<jmh-core.version>1.19</jmh-core.version>
<jmh-generator.version>1.19</jmh-generator.version>
<icu4j.version>61.1</icu4j.version>
</properties>

94
java-strings/src/test/java/com/baeldung/java/countingChars/CountCharsExampleUnitTest.java Normal file
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@@ -0,0 +1,94 @@
package com.baeldung.java.countingChars;
import static org.junit.Assert.assertEquals;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import org.apache.commons.lang3.StringUtils;
import org.junit.Test;
import com.google.common.base.CharMatcher;
/***
* Example of counting chars in a String.
*/
public class CountCharsExampleUnitTest {
@Test
public void givenString_whenUsingLoop_thenCountChars() {
String someString = "elephant";
char someChar = 'e';
int count = 0;
for (int i = 0; i < someString.length(); i++) {
if (someString.charAt(i) == someChar) {
count++;
}
}
assertEquals(2, count);
}
@Test
public void givenString_whenUsingReplace_thenCountChars() {
String someString = "elephant";
int count = someString.length() - someString.replace("e", "").length();
assertEquals(2, count);
}
@Test
public void givenString_whenUsingSplit_thenCountChars() {
String someString = "elephant";
int count = someString.split("e", -1).length - 1;
assertEquals(2, count);
}
@Test
public void givenString_whenUsingReqExp_thenCountChars() {
Pattern pattern = Pattern.compile("[^e]*e");
Matcher matcher = pattern.matcher("elephant");
int count = 0;
while (matcher.find()) {
count++;
}
assertEquals(2, count);
}
@Test
public void givenString_whenUsingRecursion_thenCountChars() {
int count = useRecursion("elephant", 'e', 0);
assertEquals(2, count);
}
private int useRecursion(String someString, char searchedChar, int index) {
if (index >= someString.length()) {
return 0;
}
int count = someString.charAt(index) == searchedChar ? 1 : 0;
return count + useRecursion(someString, searchedChar, index + 1);
}
@Test
public void givenString_whenUsingStringUtils_thenCountChars() throws InterruptedException {
int count = StringUtils.countMatches("elephant", "e");
assertEquals(2, count);
}
@Test
public void givenString_whenUsingJava8Features_thenCountChars() {
String someString = "elephant";
long count = someString.chars().filter(ch -> ch == 'e').count();
assertEquals(2, count);
long count2 = someString.codePoints().filter(ch -> ch == 'e').count();
assertEquals(2, count2);
}
@Test
public void givenString_whenUsingGuavaCharMatcher_thenCountChars() {
int count = CharMatcher.is('e').countIn("elephant");
assertEquals(2, count);
}
}