collectiondatatest.java

Thinking in JAVA第四版源代码

//: containers/CollectionDataTest.java
import java.util.*;
import net.mindview.util.*;

class Government implements Generator<String> {
  String[] foundation = ("strange women lying in ponds " +
    "distributing swords is no basis for a system of " +
    "government").split(" ");
  private int index;
  public String next() { return foundation[index++]; }
}

public class CollectionDataTest {
  public static void main(String[] args) {
    Set<String> set = new LinkedHashSet<String>(
      new CollectionData<String>(new Government(), 15));
    // Using the convenience method:
    set.addAll(CollectionData.list(new Government(), 15));
    System.out.println(set);
  }
} /* Output:
[strange, women, lying, in, ponds, distributing, swords, is, no, basis, for, a, system, of, government]
*///:~