jlab0603.java

java教程中的编程实例

public class JLab0603{
        public static void change(String s){
                  s=s+" changed";
                      }
        public static void change(StringBuffer sb){
                    sb.append(" changed?");
                       }
        public static void main(String[] args){
               String s ="test";
               StringBuffer sb=new StringBuffer("test");
                 System.out.println("s="+s+",sb="+sb);
                 change(s);
                 change(sb);
                 System.out.println("s="+s+",sb="+sb);
}
}