7.12exceptions.java

来自「JAVA程序设计的源代码」· Java 代码 · 共 30 行

import java.io.*;
public class Exceptions
{
public static void main(String args[])throws IOException,InterruptedException    //声明异常
{
int []ko=new  int[5];
int  n,a;
String  x;
BufferedReader  keyin=new  BufferedReader(new InputStreamReader(System.in));
System.out.print("Enter an integer:");
x=keyin.readLine();    //接收从键盘输入一段字符串
n=Integer.parseInt(x);    //将字符串转换成整型
try
{
a=120/n;
ko[10]=280;
System.out.println("此语句无法执行");
}
catch(ArithmeticException e)    //捕获被零除的异常
{
System.out.println("除数为0的错误!");
}
catch(ArrayIndexOutOfBoundsException f)    //捕获数组越界的异常
{
System.out.println("数组索引值大于数组长度的错误!!");
}
System.out.println("执行完catch的语句!!!");
}
}