0219作业02

package kslx.zuoye.zyoye021902;
/**
 * 测试类
 */
public class ExceptionTest {
    public static void main(String[] args){
        Zuoye02 zy=new Zuoye02();
        try{
            zy.setAge(111);
        }catch (AgeException e){
            e.printStackTrace();
        }
    }
}

2

package kslx.zuoye.zyoye021902;
/**
 * 自定义年龄异常
 */
public class AgeException extends Exception{
    public AgeException(String a){
        super(a);
    }
}

3

package kslx.zuoye.zyoye021902;

/**
 * 年龄类
 */
public class Zuoye02 {
    private int age;

    public Zuoye02() {
    }
    public Zuoye02(int age) {
        this.age = age;
    }

    public int getAge() {
        return age;
    }

    public void setAge(int age) throws AgeException{
        if(age>0 && age<=100){
            this.age = age;
        }else{
            throw new AgeException("年龄必须1-100之间");
        }

    }
}

4运行结果