BAEL-5767: Writing an ArrayList of Strings into a Text File (#12783)

* Deep vs Shallow copy of an object in java

* update indentaions

* Create a BMI Caclualtor in Java

* Create a BMI Caclualtor in Java

* Delete unused packages

* BAEL-5708: Create a BMI Calculator in Java

* BAEL-5708: Create a BMI Calculator in Java

* BAEL-5767:Writing an ArrayList of Strings into a Text File

* BAEL-5767:Writing an ArrayList of Strings into a Text File

* Deleting files from core-java-io

* BAEL-5767: Writing an ArrayList of Strings into a Text File

* Removed files from core-java-11-2

* BAEL-5767:Writing an ArrayList of Strings into a Text File

* BAEL-5767:Writing an ArrayList of Strings into a Text File

* BAEL-5767:Writing an ArrayList of Strings into a Text File

core-java-modules/core-java-11-3/src/test/java/com/baeldung/filewriter/BufferedWriterUnitTest.java

@@ -0,0 +1,22 @@
+package com.baeldung.filewriter;
+
+import org.junit.jupiter.api.Test;
+
+import static org.junit.Assert.assertTrue;
+import java.io.IOException;
+import java.nio.file.Files;
+import java.nio.file.Paths;
+import java.util.Arrays;
+import java.util.List;
+
+public class BufferedWriterUnitTest {
+
+    private static final List<String> stringList = Arrays.asList("Hello", "World");
+
+    @Test
+    public void givenUsingBufferedWriter_whenStringList_thenGetTextFile() throws IOException {
+        String fileName = BufferedWriterExample.generateFileFromStringList(stringList);
+        long count = Files.lines(Paths.get(fileName)).count();
+        assertTrue("No. of lines in file should be equal to no. of Strings in List", ((int) count) == stringList.size());
+    }
+}

core-java-modules/core-java-11-3/src/test/java/com/baeldung/filewriter/FileWriteStringUnitTest.java

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+package com.baeldung.filewriter;
+
+import org.junit.jupiter.api.Test;
+import java.io.IOException;
+import java.nio.file.Files;
+import java.nio.file.Paths;
+import java.util.Arrays;
+import java.util.List;
+
+import static org.junit.Assert.assertTrue;
+
+
+public class FileWriteStringUnitTest {
+
+    private static final List<String> stringList = Arrays.asList("Hello", "World");
+
+    @Test
+    public void givenUsingFileWriteString_whenStringList_thenGetTextFile() throws IOException {
+        String fileName = FileWriteStringExample.generateFileFromStringList(stringList);
+        long count = Files.lines(Paths.get(fileName)).count();
+        assertTrue("No. of lines in file should be equal to no. of Strings in List", ((int) count) == stringList.size());
+    }
+}

core-java-modules/core-java-11-3/src/test/java/com/baeldung/filewriter/FileWriterUnitTest.java

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+package com.baeldung.filewriter;
+
+import org.junit.jupiter.api.Test;
+
+import java.io.IOException;
+import java.nio.file.Files;
+import java.nio.file.Paths;
+import java.util.Arrays;
+import java.util.List;
+
+import static org.junit.Assert.assertTrue;
+
+public class FileWriterUnitTest {
+
+    private static final List<String> stringList = Arrays.asList("Hello", "World");
+
+    @Test
+    public void givenUsingFileWriter_whenStringList_thenGetTextFile() throws IOException {
+        String fileName = FileWriterExample.generateFileFromStringList(stringList);
+        long count = Files.lines(Paths.get(fileName)).count();
+        assertTrue("No. of lines in file should be equal to no. of Strings in List", ((int) count) == stringList.size());
+    }
+}

core-java-modules/core-java-11-3/src/test/resources/sampleTextFile.txt

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+Hello
+World