debug9_2.java

程序练习中包括书中实例程序代码和练习中要用到的代码,是压缩文件

package questions.c9;
public class Debug9_2 {
   A x;
   public static void main( String[] args ) {
      Debug9_2 a = new Debug9_2();
      a.x = new A();
      System.out.println( a.x.getValue() );
   }
   class A {
      private String s = "pork chops and applesauce";
      public String getValue() {
         return s;
      }
   }
}