A constructor can invoke another constructor, this must be done in the first line of code in the constructor body. : Constructor « Object Oriented « SCJP

1. SCJP
2. Object Oriented
3. Constructor

import java.awt.Point;

class Base extends Object {
  Point theP;
  String str = "";

  Base(int x, int y) {
    theP = new Point(x, y);
  }

  Base(String txt, int x, int y) {
    this(x, y);
    str = txt;
  }
}