创建一个java计算器程序,包含加减乘除四种功能
时间: 2024-02-23 07:59:50 浏览: 19
好的,我可以帮你创建一个Java计算器程序。以下是代码示例:
```java
import java.util.Scanner;
public class Calculator {
public static void main(String[] args) {
Scanner scanner = new Scanner(System.in);
double num1, num2, result;
char operator;
System.out.print("Enter first number: ");
num1 = scanner.nextDouble();
System.out.print("Enter operator (+, -, *, /): ");
operator = scanner.next().charAt(0);
System.out.print("Enter second number: ");
num2 = scanner.nextDouble();
switch (operator) {
case '+':
result = num1 + num2;
System.out.println(num1 + " + " + num2 + " = " + result);
break;
case '-':
result = num1 - num2;
System.out.println(num1 + " - " + num2 + " = " + result);
break;
case '*':
result = num1 * num2;
System.out.println(num1 + " * " + num2 + " = " + result);
break;
case '/':
result = num1 / num2;
System.out.println(num1 + " / " + num2 + " = " + result);
break;
default:
System.out.println("Invalid operator!");
break;
}
}
}
```
这是一个简单的控制台应用程序,它从用户那里接收两个数字和一个运算符,并返回计算结果。您可以根据需要修改代码并添加更多功能。希望能对您有所帮助!