封装的日间示例

public class friend1 { string name; long mobileno;  private int atmpin;   public friend1(string name, long mobileno, int atmpin) { this.name = name;  this.mobileno = mobileno;  this.atmpin = atmpin;  }  public static void main(string[] args) { friend1 f1 = new friend1("kavin", 1234, 1111); f1.withdraw();  } private void withdraw() { system.out.println(atmpin); } public void tour() { system.out.println("going for a ride"); }  public void publish_results() { system.out.println("pass with good marks "); }     } 

class Friend2 {  public static void main(String[] args) {  Friend1 ff = new Friend1("Arul",3434,2323); ff.tour(); ff.withdraw(); }  }