异常

package com.test;

import java.util.InputMismatchException;
import java.util.Scanner;

import org.apache.log4j.Logger;

public class Test {
//1.创建日记对象
private static Logger logger=Logger.getLogger(Test.class.getName());

public static void main(String[] args) {
try {
Scanner input=new Scanner(System.in);
System.out.print("请输入被除数：");
int num1=input.nextInt();
logger.debug("输入被除数："+num1);

System.out.print("请输入除数：");
int num2=input.nextInt();
logger.debug("输入除数："+num2);

System.out.println(String.format("%d /%d=%d", num1,num2,num1/num2));
logger.debug("运算结果："+String.format("%d /%d=%d", num1,num2,num1/num2));
}catch(InputMismatchException e){
logger.error("除数和被除数必须是整数！",e);
}catch(ArithmeticException e){
logger.error(e.getMessage());
} catch (Exception e) {
logger.error(e.getMessage());
}finally{
System.out.println("欢迎使用！！");
}

}

}