[BAEL-15993] - Move articles out of core-java pt 3

core-java-modules/core-java-lang-operators/README.md

@@ -1,3 +1,7 @@
+## Core Java Operators
+
+This module contains articles about Java operators
+
 ## Relevant Articles:
 - [Guide to the Diamond Operator in Java](https://www.baeldung.com/java-diamond-operator)
 - [Ternary Operator In Java](https://www.baeldung.com/java-ternary-operator)
@@ -6,4 +10,5 @@
 - [A Guide to Increment and Decrement Unary Operators in Java](https://www.baeldung.com/java-unary-operators)
 - [Java Compound Operators](https://www.baeldung.com/java-compound-operators)
 - [The XOR Operator in Java](https://www.baeldung.com/java-xor-operator)
+- [Java Bitwise Operators](https://www.baeldung.com/java-bitwise-operators)
 

core-java-modules/core-java-lang-operators/src/test/java/com/baeldung/bitwiseoperator/test/BitwiseOperatorUnitTest.java

@@ -0,0 +1,81 @@
+package com.baeldung.bitwiseoperator.test;
+
+import static org.junit.Assert.assertEquals;
+import org.junit.jupiter.api.Test;
+
+public class BitwiseOperatorUnitTest {
+
+    @Test
+    public void givenTwoIntegers_whenAndOperator_thenNewDecimalNumber() {
+        int value1 = 6;
+        int value2 = 5;
+        int result = value1 & value2;
+        assertEquals(4, result);
+    }
+
+    @Test
+    public void givenTwoIntegers_whenOrOperator_thenNewDecimalNumber() {
+        int value1 = 6;
+        int value2 = 5;
+        int result = value1 | value2;
+        assertEquals(7, result);
+    }
+
+    @Test
+    public void givenTwoIntegers_whenXorOperator_thenNewDecimalNumber() {
+        int value1 = 6;
+        int value2 = 5;
+        int result = value1 ^ value2;
+        assertEquals(3, result);
+    }
+
+    @Test
+    public void givenOneInteger_whenNotOperator_thenNewDecimalNumber() {
+        int value1 = 6;
+        int result = ~value1;
+        assertEquals(result, -7);
+    }
+
+    @Test
+    public void givenOnePositiveInteger_whenSignedRightShiftOperator_thenNewDecimalNumber() {
+        int value = 12;
+        int rightShift = value >> 2;
+        assertEquals(3, rightShift);
+    }
+
+    @Test
+    public void givenOneNegativeInteger_whenSignedRightShiftOperator_thenNewDecimalNumber() {
+        int value = -12;
+        int rightShift = value >> 2;
+        assertEquals(-3, rightShift);
+    }
+
+    @Test
+    public void givenOnePositiveInteger_whenLeftShiftOperator_thenNewDecimalNumber() {
+        int value = 12;
+        int leftShift = value << 2;
+        assertEquals(48, leftShift);
+    }
+
+    @Test
+    public void givenOneNegativeInteger_whenLeftShiftOperator_thenNewDecimalNumber() {
+        int value = -12;
+        int leftShift = value << 2;
+        assertEquals(-48, leftShift);
+    }
+
+    @Test
+    public void givenOnePositiveInteger_whenUnsignedRightShiftOperator_thenNewDecimalNumber() {
+        int value = 12;
+        int unsignedRightShift = value >>> 2;
+        assertEquals(3, unsignedRightShift);
+    }
+
+    @Test
+    public void givenOneNegativeInteger_whenUnsignedRightShiftOperator_thenNewDecimalNumber() {
+        int value = -12;
+        int unsignedRightShift = value >>> 2;
+        assertEquals(1073741821, unsignedRightShift);
+    }
+
+}