e1402.java

java小程序

import java.io.*;
class MyException extends Exception
{
public String toString()
{
return ("整数字符串中间不能有空格！");
}
}

public class E1402
{
public static void main(String args[])
{
Integer number;
String str;
try
{
number=Integer.parseInt(args[0]);
str=args[1];
if(str!=null) throw new MyException();
System.out.println("转化之后number为："+number);
}
catch(NumberFormatException e)
{
System.out.println(" 参数<number>应该为整数");
}
catch(ArrayIndexOutOfBoundsException e1)
{
System.out.println("行为命令"+"java E1402 <number>");
}
catch(MyException e2)
{
System.out.println(e2.toString());
}
}
}