class7.java

该原代码为＜Java编程基础、应用与实例＞的附盘代码

public class Class7{
  int sum(int a, int b){
  	 return a+b;
  }
  int average(int a, int b, int c){
  	 return (a+b+c)/3;
  }
  public static void main(String[] args){
     Class7 aaa=new Class7();
     int 钦拌=aaa.sum(10,20);
     int 乞闭=aaa.average(10,20,30);
     System.out.println("钦拌= "+钦拌);
     System.out.println("乞闭= "+乞闭);
  }
}