BAEL-4702

- Code snippets for split Java String by New line

core-java-modules/core-java-string-operations-3/src/test/java/com/baeldung/splitstringbynewline/SplitStringByNewLineUnitTest.java

@@ -0,0 +1,27 @@
+package com.baeldung.splitstringbynewline;
+
+import org.junit.Test;
+import static org.assertj.core.api.Assertions.assertThat;
+
+public class SplitStringByNewLineUnitTest {
+
+    @Test
+    public void givenString_whenSplitByNewLineUsingRegularExpressionPattern_thenReturnsArray() {
+        assertThat("Line1\nLine2\nLine3".split("\\r?\\n|\\r")).containsExactly("Line1", "Line2", "Line3");
+
+        assertThat("Line1\rLine2\rLine3".split("\\r?\\n|\\r")).containsExactly("Line1", "Line2", "Line3");
+
+        assertThat("Line1\r\nLine2\r\nLine3".split("\\r?\\n|\\r")).containsExactly("Line1", "Line2", "Line3");
+    }
+
+    @Test
+    public void givenString_whenSplitByNewLineUsingJava8Pattern_thenReturnsArray() {
+        assertThat("Line1\nLine2\nLine3".split("\\R")).containsExactly("Line1", "Line2", "Line3");
+
+        assertThat("Line1\rLine2\rLine3".split("\\R")).containsExactly("Line1", "Line2", "Line3");
+
+        assertThat("Line1\r\nLine2\r\nLine3".split("\\R")).containsExactly("Line1", "Line2", "Line3");
+    }
+
+
+}