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我最近开始学习java,我试图编程计算器,但它给了我错误(我不明白为什么会发生)。需要帮助,在我的Java计算器
PS:对不起我的英文不好
package pkg2;
import java.util.Scanner;
public class Main {
public static void main(String[] args) {
Scanner reader = new Scanner(System.in);
System.out.println("Write a number: ");
int first = reader.nextInt();
System.out.println("Write another number: ");
int second = reader.nextInt();
System.out.println("Write an operator: ");
char operator = reader.nextInt();
if(operator == '+') {
System.out.println(first + second);
}
else if(operator == '-') {
System.out.println(first - second);
}
else if(operator == '*') {
System.out.println(first * second);
}
else if(operator == '/') {
System.out.println(first/second);
}
}
}
的错误是:
它给**什么**错误?这是你问题中最重要的部分,并且缺失。 –
使用reader.next()。charAt(0)读取char – piyushj
对不起,我已经编辑了帖子 – FRP7