Memory Address of Objects in Java

core-java-modules/core-java-jvm-2/src/test/java/com/baeldung/memaddress/MemoryAddressUnitTest.java

@@ -0,0 +1,24 @@
+package com.baeldung.memaddress;
+
+import org.junit.Test;
+import org.openjdk.jol.vm.VM;
+
+public class MemoryAddressUnitTest {
+
+    @Test
+    public void printTheMemoryAddress() {
+        String answer = "42";
+
+        System.out.println("The memory address is " + VM.current().addressOf(answer));
+    }
+
+    @Test
+    public void identityHashCodeAndMemoryAddress() {
+        Object obj = new Object();
+
+        System.out.println("Memory address: " + VM.current().addressOf(obj));
+        System.out.println("hashCode: " + obj.hashCode());
+        System.out.println("hashCode: " + System.identityHashCode(obj));
+        System.out.println("toString: " + obj);
+    }
+}