Java使用集合查找不同的单词

/*
n o w j a   v  a . c o m - 时  代  Java 提 供
*/

import java.util.*;


public class FindDups {

    public static void main(String[] args) {

        Set<String> s = new HashSet<String>();

        for (String a : args)

            s.add(a);

        System.out.println(s.size() + " distinct words: " + s);

    }

}


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