Added: Transient field java.

nilandev · nilandev · commit 164de428ebb8 · 2024-09-29T15:32:20.000+01:00
diff --git a/singleton-design-pattern/.gitignore b/singleton-design-pattern/.gitignore
diff --git a/src/com/stacktips/designpatterns/singleton/RateLimiter.java b/src/com/stacktips/designpatterns/singleton/RateLimiter.java
@@ -1,4 +1,4 @@
-package com.stacktips.designpatterns;
+package com.stacktips.designpatterns.singleton;
 
 import java.util.HashMap;
 import java.util.LinkedList;
diff --git a/src/com/stacktips/designpatterns/singleton/RateLimiterDemo.java b/src/com/stacktips/designpatterns/singleton/RateLimiterDemo.java
@@ -1,4 +1,4 @@
-package com.stacktips.designpatterns;
+package com.stacktips.designpatterns.singleton;
 
 import java.util.Scanner;
 
diff --git a/src/com/stacktips/transient_field/TestTransient.java b/src/com/stacktips/transient_field/TestTransient.java
@@ -0,0 +1,25 @@
+package com.stacktips.transient_field;
+
+import java.io.*;
+
+public class TestTransient {
+
+    public static void main(String[] args) {
+        User user = new User("john_doe", "password123");
+
+        // Serialization
+        try (ObjectOutputStream oos = new ObjectOutputStream(new FileOutputStream("user.txt"))) {
+            oos.writeObject(user);
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
+
+        // Deserialization
+        try (ObjectInputStream ois = new ObjectInputStream(new FileInputStream("user.txt"))) {
+            User deserializedUser = (User) ois.readObject();
+            System.out.println(deserializedUser); // Password will be null
+        } catch (IOException | ClassNotFoundException e) {
+            e.printStackTrace();
+        }
+    }
+}
diff --git a/src/com/stacktips/transient_field/User.java b/src/com/stacktips/transient_field/User.java
@@ -0,0 +1,18 @@
+package com.stacktips.transient_field;
+
+import java.io.Serializable;
+
+public class User implements Serializable {
+    private String username;
+    private transient String password; // will not be serialized
+
+    public User(String username, String password) {
+        this.username = username;
+        this.password = password;
+    }
+
+    @Override
+    public String toString() {
+        return "User{username='" + username + "', password='" + password + "'}";
+    }
+}

Original file line number	Diff line number	Diff line change
`@@ -1,4 +1,4 @@`
`1`		`-package com.stacktips.designpatterns;`
	`1`	`+package com.stacktips.designpatterns.singleton;`
`2`	`2`
`3`	`3`	`import java.util.HashMap;`
`4`	`4`	`import java.util.LinkedList;`