homework7.java

java课程的资料以及实验的代码

import java.util.*;
public class homework7 {

	/**
	 * @param args
	 */
	public static void main(String[] args) {
		// TODO Auto-generated method stub
		homework7 h=new homework7();
		Scanner s7=new Scanner(System.in);
		int x,y;
		System.out.print("请输入被乘数：");
		x=s7.nextInt();
		System.out.print("请输入乘数：");
		y=s7.nextInt();
		System.out.println(x+"*"+y+"="+h.mult(x,y));
		
	}
	public int mult(int x,int y)
	{
		int sum,cnt;
		sum=x;cnt=y;
		if(cnt==0)
		{
			sum=0;
		}
		else if(cnt==1)
		{
			sum=x;
		}
		else
		{
			sum=sum+mult(x,cnt-1);
		}
		return sum;
	}
}