finddups.java

来自「Java样例程序集合：2D」· Java 代码 · 共 13 行

import java.util.*;

public class FindDups {
    public static void main(String args[]) {
        Set<String> s = new HashSet<String>();
        for (String a : args)
            if (!s.add(a))
                System.out.println("Duplicate detected: "+a);

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