Java TreeSet使用示例，javatreeset示例,package cn.o

Java TreeSet使用示例，javatreeset示例,package cn.o

package cn.outofmemory.snippets.core;import java.util.TreeSet;import java.util.Iterator;public class TreeSetIteratorExample {  public static void main(String[] args) {    // Create a TreeSet and populate it with elements    TreeSet treeSet = new TreeSet();    treeSet.add("element_1");    treeSet.add("element_2");    treeSet.add("element_3");    // To get the Iterator use the iterator() operation    Iterator it = treeSet.iterator();    System.out.println("Elements in TreeSet :");    while(it.hasNext())      System.out.println(it.next());  }}

输出：

Elements in TreeSet :element_1element_2element_3