bael-5728 added code (#14010)

* bael-5728 added code * bael-5728 added code * bael-5728 added code * bael-5728 code fix * bael-5728 code fix --------- Co-authored-by: Sachin kumar <sachin.n.kumar@oracle.com>
2023-05-31 06:54:52 +05:30
parent b0799740ad
commit 3d15ed0020
4 changed files with 179 additions and 0 deletions
@@ -0,0 +1,21 @@
+package com.baeldung.readresolvevsreadobject;
+
+import java.io.ObjectStreamException;
+import java.io.Serializable;
+
+public class Singleton implements Serializable {
+
+    private static final long serialVersionUID = 1L;
+    private static Singleton INSTANCE = new Singleton();
+
+    private Singleton() {
+    }
+
+    public static Singleton getInstance() {
+        return INSTANCE;
+    }
+
+    private Object readResolve() throws ObjectStreamException {
+        return INSTANCE;
+    }
+}
@@ -0,0 +1,59 @@
+package com.baeldung.readresolvevsreadobject;
+
+import java.io.IOException;
+import java.io.ObjectInputStream;
+import java.io.ObjectOutputStream;
+import java.io.Serializable;
+
+public class User implements Serializable {
+
+    private static final long serialVersionUID = 3659932210257138726L;
+    private String userName;
+    private String password;
+
+    public String getUserName() {
+        return userName;
+    }
+
+    public void setUserName(String userName) {
+        this.userName = userName;
+    }
+
+    public String getPassword() {
+        return password;
+    }
+
+    public void setPassword(String password) {
+        this.password = password;
+    }
+
+    @Override
+    public String toString() {
+        return "User [userName=" + userName + ", password=" + password + "]";
+    }
+
+    public User() {
+    }
+
+    public User(String userName, String password) {
+        super();
+        this.userName = userName;
+        this.password = password;
+    }
+
+    private void writeObject(ObjectOutputStream oos) throws IOException {
+        this.password = "xyz" + password;
+        oos.defaultWriteObject();
+    }
+
+    private void readObject(ObjectInputStream aInputStream)
+            throws ClassNotFoundException, IOException {
+        aInputStream.defaultReadObject();
+        this.password = password.substring(3);
+    }
+
+    private Object readResolve() {
+        return this;
+    }
+
+}