diff --git a/core-java-modules/core-java-lang-syntax/src/main/java/com/baeldung/breakloop/LoopBreaking.java b/core-java-modules/core-java-lang-syntax/src/main/java/com/baeldung/breakloop/LoopBreaking.java new file mode 100644 index 0000000000..90b99f57cb --- /dev/null +++ b/core-java-modules/core-java-lang-syntax/src/main/java/com/baeldung/breakloop/LoopBreaking.java @@ -0,0 +1,47 @@ +package com.baeldung.breakloop; + +public class LoopBreaking { + + public String simpleBreak() { + String result = ""; + for (int outerCounter = 0; outerCounter < 2; outerCounter++) { + result += "outer" + outerCounter; + for (int innerCounter = 0; innerCounter < 2; innerCounter++) { + result += "inner" + innerCounter; + if (innerCounter == 0) { + break; + } + } + } + return result; + } + + public String labelBreak() { + String result = ""; + myBreakLabel: + for (int outerCounter = 0; outerCounter < 2; outerCounter++) { + result += "outer" + outerCounter; + for (int innerCounter = 0; innerCounter < 2; innerCounter++) { + result += "inner" + innerCounter; + if (innerCounter == 0) { + break myBreakLabel; + } + } + } + return result; + } + + public String usingReturn() { + String result = ""; + for (int outerCounter = 0; outerCounter < 2; outerCounter++) { + result += "outer" + outerCounter; + for (int innerCounter = 0; innerCounter < 2; innerCounter++) { + result += "inner" + innerCounter; + if (innerCounter == 0) { + return result; + } + } + } + return "failed"; + } +} diff --git a/core-java-modules/core-java-lang-syntax/src/test/java/com/baeldung/breakloop/LoopBreakingUnitTest.java b/core-java-modules/core-java-lang-syntax/src/test/java/com/baeldung/breakloop/LoopBreakingUnitTest.java new file mode 100644 index 0000000000..c4b6573c86 --- /dev/null +++ b/core-java-modules/core-java-lang-syntax/src/test/java/com/baeldung/breakloop/LoopBreakingUnitTest.java @@ -0,0 +1,25 @@ +package com.baeldung.breakloop; + +import org.junit.jupiter.api.Test; + +import static org.junit.jupiter.api.Assertions.assertEquals; + +class LoopBreakingUnitTest { + + private LoopBreaking loopBreaking = new LoopBreaking(); + + @Test + void whenUsingBreak_shouldBreakInnerLoop() { + assertEquals("outer0inner0outer1inner0", loopBreaking.simpleBreak()); + } + + @Test + void whenUsingLabeledBreak_shouldBreakInnerLoopAndOuterLoop() { + assertEquals("outer0inner0", loopBreaking.labelBreak()); + } + + @Test + void whenUsingReturn_shouldBreakInnerLoopAndOuterLoop() { + assertEquals("outer0inner0", loopBreaking.usingReturn()); + } +} \ No newline at end of file