Java用Set查找重复单词
Java用Set查找重复单词
实例源码：
源代码：
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import java.util.*;3
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public class FindDups2 {6
/* from 7
时代Java*/8
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public static void main(String[] args) {10
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Set<String> uniques = new HashSet<String>();12
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Set<String> dups = new HashSet<String>();14
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for (String a : args)17
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if (!uniques.add(a))19
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dups.add(a);21
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// Destructive set-difference24
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uniques.removeAll(dups);26
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System.out.println("Unique words: " + uniques);29
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System.out.println("Duplicate words: " + dups);31
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}33
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}35
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