判断是否为java关键字 java
//filename:NewClass.java
package copy;
import java.util.*;
public class NewClass1 {
public static void main(String[] args) {
Scanner in=new Scanner(System.in);
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","doub
le","else","extends","final","finally","float","for","if","implements","import","instanceof","int","in
terface","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
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