public class test{

     public static void main(String[] args) {

         System.out.println("开始");

         method();

         System.out.println("结束");

     }

     public static void method(){

         int[] arr={1,2,3};

         try {

             System.out.println(arr[3]); //访问超出索引

         }

         catch (ArrayIndexOutOfBoundsException e){

             e.printStackTrace();

         }

     }

 }

 /*

 开始

 java.lang.ArrayIndexOutOfBoundsException: Index 3 out of bounds for length 3

     at pack2.test.method(test.java:13)

     at pack2.test.main(test.java:7)

 结束

  */

 import java.text.ParseException;

 import java.text.SimpleDateFormat;

 import java.util.Date;

 public class test{

     public static void main(String[] args) {

         System.out.println("开始");

         try {

             method();

         }

         catch (ArrayIndexOutOfBoundsException e){

             e.printStackTrace();

         }

         try {

             method2();

         }

         catch (ParseException e){

             e.printStackTrace();

         }

         System.out.println("结束");

     }

     //编译时异常,不加throws ParseException不能编译

     public static void method2() throws ParseException {

         String s="2048-08-09";

         SimpleDateFormat sdf=new SimpleDateFormat("yyy-MM-dd");

         Date d=sdf.parse(s);

         System.out.println(d);

     }

     //运行时异常，不加throws ArrayIndexOutOfBoundsException可以编译

     public static void method() throws ArrayIndexOutOfBoundsException{

         int[] arr={1,2,3};

         System.out.println(arr[3]);

     }

 }

 /*

 开始

 java.lang.ArrayIndexOutOfBoundsException: Index 3 out of bounds for length 3

     at pack2.test.method(test.java:36)

     at pack2.test.main(test.java:13)

 Sun Aug 09 00:00:00 CST 2048

 结束

  */

 public class ScoreException extends Exception{

     public ScoreException() {}

     public ScoreException(String message) {

         super(message);

     }

 }

 public class Teacher{

     public void checkScore(int score) throws ScoreException{

         if(score<0||score>100){

             throw new ScoreException(); //抛出异常对象

         }

         else {

             System.out.println("分数正常");

         }

     }

 }

 import java.util.Scanner;

 public class test{

     public static void main(String[] args) {

         Scanner sc=new Scanner(System.in);

         System.out.println("请输入分数：");

         int score=sc.nextInt();

         Teacher t=new Teacher();

         try {

             t.checkScore(score);

         }

         catch (ScoreException e){

             e.printStackTrace();

         }

     }

 }