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package 本章总结;
public class A01class {
public int ope(int Operator, int num1, int num2) {
switch (Operator) {
case 1:
num1 += num2;
break;
case 2:
num1 -= num2;
break;
case 3:
num1 *= num2;
break;
case 4:
num1 /= num2;
break;
default:
System.out.println("输入有误!重新输入:");
A01 A = new A01();
A.main(null);
break;
}
System.out.println("运算结果:" + num1);
return num1;
}
}package 本章总结;
import java.util.Scanner;
public class A01 {
public static void main(String[] args) {
// TODO Auto-generated method stub
A01class A01 = new A01class();
Scanner in = new Scanner(System.in);
System.out.print("请选择运算: 1.加法 2.减法 3.乘法 4.除法:");
int Operator = in.nextInt();
System.out.print("请输入第一个数:");
int num1 = in.nextInt();
System.out.print("请输入第二个数:");
int num2 = in.nextInt();
A01.ope(Operator, num1, num2);
}
} |
本文转自 Y幕徐 51CTO博客，原文链接:http://blog.51cto.com/765133133/1426619