testhashset.java

围棋的很好的程序欢迎大家来下载。初学者很有用的。

import java.util.*;

public class TestHashSet {
  public static void main(String[] args) {
    // Create a hash set
    Set set = new HashSet();

    // Text in a string
    String text = "Have a good day. Have a good class. " +
      "Have a good visit. Have fun!";

    // Extract words from text
    StringTokenizer st = new StringTokenizer(text, " .!?");
    while (st.hasMoreTokens())
      set.add(st.nextToken());

    System.out.println(set);

    // Obtain an iterator for the hash set
    Iterator iterator = set.iterator();

    // Display the elements in the hash set
    while (iterator.hasNext()) {
      System.out.print(iterator.next() + " ");
    }
  }
}