同步课 / 2014级JavaSE

/**
 * 作业：从命令行输入两个数字，计算得到两个数字的和差积商
 * 姓名：王晓旺
 * 学号：2014011739
 * 班级：5班 
 */
package com.works.www;

import java.util.Scanner;

public class Operation {
	public static void main(String[] args) {
		// TODO Auto-generated method stub
		System.out.println("请输入两个数：");
		@SuppressWarnings("resource")
		Scanner s = new Scanner(System.in);
		int x = s.nextInt();
		int y = s.nextInt();
		int a, b, c;
		float d;
		a = x + y;
		b = x - y;
		c = x * y;
		System.out.println(x + "+" + y + "=" + a);
		System.out.println(x + "-" + y + "=" + b);
		System.out.println(x + "*" + y + "=" + c);
		if (y == 0)
			System.out.println("除数不能为0");
		else {
			d = (float) x / y;
			System.out.println(x + "/" + y + "=" + d);
		}
	}
}

package homework;
/**
 * 郭可
 * 2014011735
 * 五班
 */
import java.util.Scanner;

public class Test01 {
    public static void main(String[] args) {
        double a,b;
        Scanner sca = new Scanner(System.in);
        System.out.println("请输入第一个数字：");
        a = sca.nextDouble();
        System.out.println("请输入第二个数字：");
        b = sca.nextInt();
        System.out.println("输出的结果是：");
        System.out.println(a+"+"+b+"="+(a+b));
        System.out.println(a+"-"+b+"="+(a-b));
        System.out.println(a+"*"+b+"="+(a*b));
        System.out.println(a+"/"+b+"="+(a/b));
    }
}