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https://www.youtube.com/watch?v=ChC4t1L75x8&list=UUhwKlOVR041tngjerWxVccw
LinkedHashSetExample.java
Output
https://www.youtube.com/watch?v=ChC4t1L75x8&list=UUhwKlOVR041tngjerWxVccw
LinkedHashSetExample.java
import java.util.ArrayList; import java.util.LinkedHashSet; /* * Example of retainAll(Collection<? extends E> c) method. */ public class LinkedHashSetExample { public static void main( String[] args ) { LinkedHashSet<String> linkedHashSet = new LinkedHashSet<String>(); linkedHashSet.add("Rohan"); linkedHashSet.add("Phil"); linkedHashSet.add("Ram"); linkedHashSet.add("Dave"); linkedHashSet.add("Peter"); System.out.println("linkedHashSet : " + linkedHashSet + "\n"); ArrayList<String> arrayList = new ArrayList<String>(); arrayList.add("Ram"); arrayList.add("Dave"); arrayList.add("Peter"); System.out.println("arrayList : " + arrayList + "\n"); /* * Retains only the elements in this collection that are contained in * the specified collection. * * In other words, removes from this collection all of its elements that * are not contained in the specified collection.. */ boolean isRetained = linkedHashSet.retainAll(arrayList); System.out.println("isRetained : " + isRetained); System.out.println("linkedHashSet : " + linkedHashSet + "\n"); } }
linkedHashSet : [Rohan, Phil, Ram, Dave, Peter] arrayList : [Ram, Dave, Peter] isRetained : true linkedHashSet : [Ram, Dave, Peter]
https://sites.google.com/site/javaee4321/java-collections/LinkedHashSetDemoRetainAll.zip?attredirects=0&d=1
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