From 05c4ce52dc83a27914447b881b3104e2a051b466 Mon Sep 17 00:00:00 2001
From: Jason Lu <wjlukuan@hotmail.com>
Date: Thu, 6 Mar 2025 21:56:50 +0800
Subject: [PATCH] add demo for how memory is allocated in java

---
 src/main/java/jvm/gc/PrintMemoryAddress.java | 21 ++++++++++++++++++++
 1 file changed, 21 insertions(+)
 create mode 100644 src/main/java/jvm/gc/PrintMemoryAddress.java

diff --git a/src/main/java/jvm/gc/PrintMemoryAddress.java b/src/main/java/jvm/gc/PrintMemoryAddress.java
new file mode 100644
index 0000000..840215b
--- /dev/null
+++ b/src/main/java/jvm/gc/PrintMemoryAddress.java
@@ -0,0 +1,21 @@
+package jvm.gc;
+
+public class PrintMemoryAddress {
+    public Object getObj() {
+        Object o = new Object();
+        System.out.println(STR."The addree is \{System.identityHashCode(o)}");
+        return o;
+    }
+
+    public void showObj() {
+        Object o = getObj();
+        Object o2 = new Object();
+        System.out.println(STR."Now the addree is \{System.identityHashCode(o)}");
+        System.out.println(STR."The addree of o2 is \{System.identityHashCode(o2)}");
+    }
+
+    public static void main(String[] args) {
+        PrintMemoryAddress printMemoryAddress = new PrintMemoryAddress();
+        printMemoryAddress.showObj();
+    }
+}