package J20250718.demo02_exception;

/**
 * @author WanJl
 * @version 1.0
 * @title Demo01
 * @description
 * @create 2025/7/18
 */
public class Demo01 {

    public static void method666(){
        method666();    //方法调用自身---方法的递归，方法调用自身层数太多就容易出现栈内存溢出错误
        System.out.println("hello......");
        System.out.println("hello......");
        System.out.println("hello......");
        System.out.println("hello......");
    }



    public static void main(String[] args) {
        //异常1-数组下标越界异常
        int[] arr=new int[3];
        //System.out.println(arr[4]); //ArrayIndexOutOfBoundsException
        //异常2-除零异常
        //System.out.println(5/0);    //ArithmeticException
        //异常3-类型转换异常
        //Fu f=new Zi1();
        //Zi2 z2=(Zi2) f; //ClassCastException

        //int[] arr2=new int[1024*1024*1024]; //OutOfMemoryError
        method666();    //StackOverflowError
    }


}
class Fu{

}
class Zi1 extends Fu{

}
class Zi2 extends Fu{

}