public class demo
{
    public static void main(String[] args)
    {
        String text="fang xing is no one";
        int count=0;
        int index=0;
        do
        {
            ++count;
            ++index;
            index=text.indexOf(' ',index);
        }
        while(index !=-1);
        System.out.println(index);
        System.out.println(count);
        index=0;
        int endindex=0;
        String[] array=new String[count];
        for(int i=0;i<count;i++)
        {
            endindex=text.indexOf(' ',index);
            if(index==-1)
            array[i]=text.substring(index);
            else
            if(index !=-1)
            array[i]=text.substring(index,endindex);
            index=endindex+1;
            System.out.println(array[i]);
        }
    //    for(int i=0;i<5;i++)
    //    System.out.println(array[i]);
    }
}
怎么不能输出：
fang
xing
is
no
one
少一个one
运行后提示：
-1
5
fang
xing
is
no
Exception in thread "main" java.lang.StringIndexOutOfBoundsException: String ind
ex out of range: -17
        at java.lang.String.substring(String.java:1768)
        at demo.main(demo.java:27)
Press any key to continue...

哈，，，，我知道了，，原来是
endindex=text.indexOf(' ',index);
                if(endindex==-1)
                array[i]=text.substring(index);这里的问题，，，