[BAEL-3117] XOR implementations

core-java-modules/core-java/src/main/java/com/baeldung/java/booleanoperators/Car.java

@@ -0,0 +1,20 @@
+package com.baeldung.java.booleanoperators;
+
+public class Car {
+
+    private boolean diesel;
+    private boolean manual;
+
+    public Car(boolean diesel, boolean manual) {
+        this.diesel = diesel;
+        this.manual = manual;
+    }
+
+    public boolean isDiesel() {
+        return diesel;
+    }
+
+    public boolean isManual() {
+        return manual;
+    }
+}

core-java-modules/core-java/src/test/java/com/baeldung/java/booleanoperators/XorUnitTest.java

@@ -0,0 +1,64 @@
+package com.baeldung.java.booleanoperators;
+
+import org.junit.jupiter.api.Test;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+class XorUnitTest {
+
+    @Test
+    void givenDieselManualCar_whenXorOldSchool_ThenFalse() {
+        Car car = new Car(true, true);
+        boolean dieselXorManual = (car.isDiesel() && !car.isManual()) || (!car.isDiesel() && car.isManual());
+        assertThat(dieselXorManual).isFalse();
+    }
+
+    @Test
+    void givenDieselAutomaticCar_whenXorOldSchool_ThenTrue() {
+        Car car = new Car(true, false);
+        boolean dieselXorManual = (car.isDiesel() && !car.isManual()) || (!car.isDiesel() && car.isManual());
+        assertThat(dieselXorManual).isTrue();
+    }
+
+    @Test
+    void givenNonDieselManualCar_whenXorOldSchool_ThenTrue() {
+        Car car = new Car(false, true);
+        boolean dieselXorManual = (car.isDiesel() && !car.isManual()) || (!car.isDiesel() && car.isManual());
+        assertThat(dieselXorManual).isTrue();
+    }
+
+    @Test
+    void givenNonDieselAutomaticCar_whenXorOldSchool_ThenFalse() {
+        Car car = new Car(false, false);
+        boolean dieselXorManual = (car.isDiesel() && !car.isManual()) || (!car.isDiesel() && car.isManual());
+        assertThat(dieselXorManual).isFalse();
+    }
+
+    @Test
+    void givenDieselManualCar_whenXor_ThenFalse() {
+        Car car = new Car(true, true);
+        boolean dieselXorManual = car.isDiesel() ^ car.isManual();
+        assertThat(dieselXorManual).isFalse();
+    }
+
+    @Test
+    void givenDieselAutomaticCar_whenXor_ThenTrue() {
+        Car car = new Car(true, false);
+        boolean dieselXorManual = car.isDiesel() ^ car.isManual();
+        assertThat(dieselXorManual).isTrue();
+    }
+
+    @Test
+    void givenNonDieselManualCar_whenXor_ThenTrue() {
+        Car car = new Car(false, true);
+        boolean dieselXorManual = car.isDiesel() ^ car.isManual();
+        assertThat(dieselXorManual).isTrue();
+    }
+
+    @Test
+    void givenNonDieselAutomaticCar_whenXor_ThenFalse() {
+        Car car = new Car(false, false);
+        boolean dieselXorManual = car.isDiesel() ^ car.isManual();
+        assertThat(dieselXorManual).isFalse();
+    }
+}