异常：自定义异常

异常：自定义异常

MyException

package com.exception.demo02;

public class MyException extends Exception {
    //传递数字>10;
    private int detail;

    public  MyException(int a){
        this.detail = a;
    }

    //toString:异常的打印信息
    @Override
    public String toString() {
        return "MyException{" + detail + "}";
    }
}

Test

package com.exception.demo02;

public class Test {

    //可能存在的异常
    static void test(int a) throws MyException {
        System.out.println("传递的参数为：" + a);

        if(a>10){
            throw new MyException(a); //抛出
        }
        System.out.println("OK");
    }

    public static void main(String[] args) {
        try {
            test(11);
        } catch (MyException e) {
            System.out.println("MyException=>" + e);
        }
    }
}

结果