import java.util.Scanner;
public class HelloJava {
public static void main(String[] args) {
int num1 = 0;
int num2 = 0;
Scanner scanner = new Scanner(System.in);
try {
System.out.println("请输入除数 按回车确认");
num1 = scanner.nextInt();
System.out.println("请输入被除数 按回车确认");
num2 = scanner.nextInt();
}catch (InputMismatchException e){
System.out.println("输入的类型不合法");
e.printStackTrace();
} catch (Exception e) {
e.printStackTrace();
}
if(num2 == 0) {
System.out.println("num2 的值 不能是 0");
} else {
System.out.println(num1 + " / " + num2 + " = " + (num1 / num2));
}
}
}
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