7.9indexexception.java

JAVA程序设计的源代码

import java.io.*;
public class IndexException
{
public static void main(String args[])throws IOException    //声明输入输出异常
{
String x,y;
BufferedReader keyin=new BufferedReader(new InputStreamReader(System.in));
System.out.print("输入任一字符串:");
x=keyin.readLine();    //获取键盘输入的一段字符串
try
{
y=x.substring(10);    //获取子串
System.out.println(y);
}
catch(StringIndexOutOfBoundsException s)    //捕获字符串下标越界的异常
{
System.out.println("字符串索引值超过字符串长度的错误!!");
}
finally
{
System.out.println("程序执行完毕");
}
}
}