jlab0701a.java

java教程中的编程实例

import java.io.*;
public class JLab0701A{
        public static void  main (String args[]){
             for(int i=0;i<4;i++){
                   int k;
                   try{
                     switch(i){
                         case 0:
                              int zero=0;
                              k=911/zero;
                              break;
                         case 1:
                              int b[]=null;
                              k=b[0]; 
                              break;
                         case 2: 
                              int c[]=new int[2];
                              k=c[9];
                              break;
                         case 3:
                              char ch="abc".charAt(99);
                              break;
                               }
                       }catch(NullPointerException e){
                            System.out.println("\nTestcase#"+i+"\n");
                            System.out.println(e);
                         }finally{
                            System.out.println("Exception Test Finished!");
                          }
                       }
                     }
                   }