debug7_3.java

来自「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」· Java 代码 · 共 28 行

package questions.c7;
class Debug7_3_Base {
   private StringBuffer name;
   public String getName() {
      return name.toString();
   }
   public void setName( String newName ) {
      name = new StringBuffer( newName );
   }
}
public class Debug7_3 extends Debug7_3_Base
         implements Cloneable {
   private double weight;
   double getWeight() {
      return weight;
   }
   public void setWeight( double newWeight ) {
      weight = newWeight;
   }
   public static void main( String[] args ) {
      Debug7_3 a = new Debug7_3();
      a.setWeight( 11.567 );
      a.setName( "Steel girders" );
      Debug7_3 b = (Debug7_3) a.clone();
      System.out.println( b.getName() + " "
                          + b.getWeight() );
   }
}