Call one Constructor from Another in Class - Java Example

This Java example shows how to call one constructor from another of the same class using ‘this’ keyword as shown in below program code.

// In Java another constructor of the same class can be called 
// from a constructor using 'this()'. 
// Note: 'this()' has to be on the first line.
public class Foo {
 private int x;

 public Foo() {
  this(1);
 }

 public Foo(int x) {
  this.x = x;
 }
}

// In Java another constructor of the same class can be called

// from a constructor using 'this()'.

// Note: 'this()' has to be on the first line.

public class Foo {

private int x;

public Foo() {

this(1);

}

public Foo(int x) {

this.x = x;

}

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