chapter6n1.java

JAVA源代码程序aashjkjhkjhkjhjkhkj

/**
 *
 * average age calculation
 *
 * Written by: Roger Garside
 *
 * First Written: 2/Oct/96
 * Last Rewritten: 2/Oct/96
 *
 */

import java.lancs.* ;

public class Chapter6n1
    {

    /**
     *
     * main
     *
     */

    public static void main(String[] args) throws Exception
        {
        GroupOfPeople computing = new GroupOfPeople() ;
        computing.addSurname("Smith") ;
        computing.setAge(0, 25) ;
        computing.addSurname("Jones") ;
        computing.setAge(1, 35) ;
        computing.addSurname("Brown") ;
        computing.setAge(2, 55) ;
        computing.addSurname("Williams") ;
        computing.setAge(3, 18) ;

        int num = computing.getCount() ;
        int sum = 0 ;
        for (int i = 0 ; i < num ; i++)
	    sum += computing.getAge(i) ;
        System.out.println("The average age is " + (sum / num)) ;
        } // end of method main

    } // end of class Chapter6n1