Click here to watch in Youtube :
https://www.youtube.com/watch?v=ZoaaZGyGww4&list=UUhwKlOVR041tngjerWxVccw
TreeSetExample.java
Output
https://www.youtube.com/watch?v=ZoaaZGyGww4&list=UUhwKlOVR041tngjerWxVccw
TreeSetExample.java
import java.util.TreeSet; /* * Example of first() method. */ public class TreeSetExample { public static void main( String[] args ) { TreeSet<Integer> treeSet = new TreeSet<Integer>(); treeSet.add(40); treeSet.add(20); treeSet.add(30); treeSet.add(10); treeSet.add(50); System.out.println("treeSet : " + treeSet + "\n"); /* * Returns the first (lowest) element currently in this set. */ Integer value = treeSet.first(); System.out.println("value : " + value); } }
treeSet : [10, 20, 30, 40, 50] value : 10
https://sites.google.com/site/javaee4321/java-collections/TreeSetDemoFirst.zip?attredirects=0&d=1
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