c.java

Java 入门书的源码

//Copyright (c) 1998, Arthur Gittleman
//This example is provided WITHOUT ANY WARRANTY either expressed or implied.

/*  Class C in the same package as A and B
 *  can use A, B and all data fields and methods
 *  except the private d4 and getd4().
 */

package visibility;
public class C {
  public static void main(String [] args) {
    A a = new A();
    B b = new B();  
    int i,j;
    i = a.d1 + a.d2 + a.d3 + b.d5 + a.usePrivate();
    j = a.get1() + a.get2() + a.get3();
    System.out.println("i is " + i + " and j is " + j);
  }
}