Java自定义异常的用法

package day162020072701.day1601;

/**
 * @author liuwenlong
 * @create 2020-07-27 09:25:44
 */
@SuppressWarnings("all")
public class Human {
    private String name;
    private char sex;
    private int age;

    public int getAge() {
        return age;
    }

    public void setAge(int age) throws HumanException.AgeException {
        if (age > 0 && age < 150) {
            this.age = age;
            return;
        }
        throw new HumanException.AgeException("年龄非法");

    }

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    public char getSex() {
        return sex;
    }

    public void setSex(char sex) throws HumanException.SexException {
        if (sex == '男' || sex == '女') {
            this.sex = sex;
            return;
        }
        throw new HumanException.SexException("性别有误");
    }

    @Override
    public String toString() {
        return "Human{" +
                "name='" + name + '\'' +
                ", sex=" + sex +
                ", age=" + age +
                '}';
    }
}

package day162020072701.day1601;

/**
 * @author liuwenlong
 * @create 2020-07-27 10:47:58
 */
@SuppressWarnings("all")
public class HumanException  {
    public static class  AgeException extends Exception{
        private String message;

        public AgeException(String message) {
            this.message = message;
        }

        @Override
        public String getMessage() {
            return message;
        }
    }

    public static class  SexException extends Exception{
        private String message;

        public SexException(String message) {
            this.message = message;
        }

        @Override
        public String getMessage() {
            return message;
        }
    }
}

package day162020072701.day1601;

import java.util.Scanner;

/**
 * @author liuwenlong
 * @create 2020-07-27 09:29:24
 */
@SuppressWarnings("all")
public class TestHuman {
    public static void main(String[] args) {
        Scanner input = new Scanner(System.in);

        Human human = new Human();
        human.setName("张三");
        System.out.println("姓名：" + human.getName());

        boolean flag = false;
        while (!flag) {
            flag = true;
            try {
                System.out.println("请输入性别：");
                human.setSex(input.next().charAt(0));
                System.out.println("性别：" + human.getSex());
                System.out.println("请输入年龄：");
                human.setAge(input.nextInt());
                System.out.println("年龄：" + human.getAge());
            } catch (HumanException.SexException e) {
                flag = false;
                System.out.println(e.getMessage());
            } catch (HumanException.AgeException e) {
                System.out.println(e.getMessage());
                flag = false;
            } catch (Exception e) {
                System.out.println("出现未知错误！Error!");
                flag = false;
            } finally {
                System.out.println("异常首尾");
            }
        }
        System.out.println(human);
    }
}