this:
- It is default reference variable.
- It is used to access instance variables and methods of same class.
- It must be used from instance area.
this():
- this() is used to invoke the same class constructor.
- It must be used in constructor only.
- Call to this() must be the first statement.
| class Pro { Pro(){ System.out.println(“Zero args constructor”); } Pro(int x){ this(); System.out.println(“Args constructor”); } public static void main(String args[]){ new Pro(10); } } |
Invoking multiple constructors results Error:
