Click here to watch in Youtube :
https://www.youtube.com/watch?v=Ms7sEojiisI&list=UUhwKlOVR041tngjerWxVccw
TreeSetExample.java
Output
https://www.youtube.com/watch?v=Ms7sEojiisI&list=UUhwKlOVR041tngjerWxVccw
TreeSetExample.java
import java.util.TreeSet; /* * Example of isEmpty() method. */ public class TreeSetExample { public static void main( String[] args ) { TreeSet<Integer> treeSet = new TreeSet<Integer>(); System.out.println("treeSet : " + treeSet + "\n"); /* * Returns true if this set contains no elements. */ boolean isEmpty = treeSet.isEmpty(); System.out.println("isEmpty : " + isEmpty + "\n"); treeSet.add(10); treeSet.add(50); treeSet.add(40); treeSet.add(20); treeSet.add(30); System.out.println("treeSet : " + treeSet + "\n"); /* * Returns true if this set contains no elements. */ isEmpty = treeSet.isEmpty(); System.out.println("isEmpty : " + isEmpty); } }
treeSet : [] isEmpty : true treeSet : [10, 20, 30, 40, 50] isEmpty : false
https://sites.google.com/site/javaee4321/java-collections/TreeSetDemoIsEmpty.zip?attredirects=0&d=1
See also:
No comments:
Post a Comment