complete9_5.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 Complete9_5 {
   String s1, s2;
   interface Concatenates {
      public String concatenate();
   }
   public Complete9_5( String newS1, String newS2 ) {
      s1 = newS1;
      s2 = newS2;
   }
   public String concatenate() {
      // your concatenate method body here
   }
   public static void main( String[] args ) {
      Complete9_5 x = new Complete9_5( "egg drop ",
                                       "won-ton" );
      System.out.println( x.concatenate() );
   }
}