可以把上面的代码用java实现一遍吗
时间: 2024-05-02 19:21:48 浏览: 14
当然可以,以下是Java实现的代码:
```java
import java.util.Scanner;
public class Main {
public static void main(String[] args) {
Scanner scanner = new Scanner(System.in);
System.out.print("请输入第一个数字:");
double num1 = scanner.nextDouble();
System.out.print("请输入运算符(+、-、*、/):");
char operator = scanner.next().charAt(0);
System.out.print("请输入第二个数字:");
double num2 = scanner.nextDouble();
double result = 0.0;
switch (operator) {
case '+':
result = num1 + num2;
break;
case '-':
result = num1 - num2;
break;
case '*':
result = num1 * num2;
break;
case '/':
if (num2 == 0) {
System.out.println("除数不能为0!");
return;
}
result = num1 / num2;
break;
default:
System.out.println("输入的运算符不合法!");
return;
}
System.out.println(num1 + " " + operator + " " + num2 + " = " + result);
}
}
```
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