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Java Constructor Chaining Examples

Calling another constructor in the same class from another constructor is called constructor chaining. By using this() we can call another constructor in the same class. Incase we want to call another constructor, this() should be the first line in the constructor. Below example shows code for constructor chaining.

Java Constructor Chaining Sample Code

package com.myjava.constructors;

public class MyChaining {
    public MyChaining(){
        System.out.println("In default constructor...");
    public MyChaining(int i){
        System.out.println("In single parameter constructor...");
    public MyChaining(int i,int j){
        System.out.println("In double parameter constructor...");
    public static void main(String a[]){
        MyChaining ch = new MyChaining(10,20);

Example Output

In default constructor...
In single parameter constructor...
In double parameter constructor...

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Knowledge Centre
Can you list serialization methods?
Serialization interface does not have any methods. It is a marker interface. It just tells the JVM that your class can be serializable.

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Reference: Java™ Platform Standard Ed. 7 - API Specification | Java is registered trademark of Oracle.
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