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//: c04:Leaf.java 
// Simple use of the "this" keyword. 
// From 'Thinking in Java, 3rd ed.' (c) Bruce Eckel 2002 
// www.BruceEckel.com. See copyright notice in CopyRight.txt. 
import com.bruceeckel.simpletest.*; 
 
public class Leaf { 
  static Test monitor = new Test(); 
  int i = 0; 
  Leaf increment() { 
    i++; 
    return this; 
  } 
  void print() { 
    System.out.println("i = " + i); 
  } 
  public static void main(String[] args) { 
    Leaf x = new Leaf(); 
    x.increment().increment().increment().print(); 
    monitor.expect(new String[] { 
      "i = 3" 
    }); 
  } 
} ///:~