Java通过TreeSet解析字符串中单词数量的代码，javatreeset,import java.

Java通过TreeSet解析字符串中单词数量的代码，javatreeset,import java.

import java.util.TreeSet;public class WordList {   public static void main(String[] args) {      String text;      text = "Lorem Ipsum has been the industry's standard dummy text ever since the 1500s, "       + "when an unknown printer took a galley of type and scrambled it to make a type specimen book "        + "It has survived not only five centuries, but also the leap into electronic typesetting "       + "remaining essentially unchanged. "       + "It was popularised in the 1960s with the release of Letraset sheets containing Lorem Ipsum passages "        + "and more recently with desktop publishing software like Aldus PageMaker including versions of Lorem Ipsum";       String[] words = text.split(" ");       for (String w : words) {          System.out.println(w);       }       System.out.println("Total number of words: " + text.length());       TreeSet<String> wordList = new TreeSet<String>();       for (String w: words) {          wordList.add(w);       }       System.out.println("Total number of unique words: " +          wordList.size());       for (String w : wordList) {          System.out.println(w);       }   }}