文档介绍：//filename:
package copy;
import .*;
public class NewClass1 {
public static void main(String[] args) {
Scanner in=new Scanner();
TreeSet kw=new TreeSet(); //定义关键字集合
TreeSet word=new TreeSet(); //定义待判断单词集合
String KW[]={"abstract","boolean","break","byte","case","catch","char","class","continue","do","double","else","extends","final","finally","float","for","if","implements","import","instanceof","int","interface","long","new","package","private","protected","public","return","short","static","super","switch","this","throw","throws","try","void","while"};
//创建容纳关键字的数组
int i=0;
while(i<) //循环向集合中添加元素
{
(KW[i]);
i++;
}
String a;
("输入要判断的单词,按#结束输入: ");
a=();
while(!