Click here to watch in Youtube :
https://www.youtube.com/watch?v=kC7A-ql5fPg&list=UUhwKlOVR041tngjerWxVccw
import java.util.ArrayList; import java.util.HashSet; /* * Example of removeAll(Collection<? extends E> c) method. */ public class HashSetExample { public static void main( String[] args ) { HashSet<String> hashSet = new HashSet<String>(); hashSet.add("Rohan"); hashSet.add("Phil"); hashSet.add("Ram"); hashSet.add("Dave"); hashSet.add("Peter"); System.out.println("hashSet : " + hashSet + "\n"); ArrayList<String> arrayList = new ArrayList<String>(); arrayList.add("Ram"); arrayList.add("Dave"); arrayList.add("Peter"); System.out.println("arrayList : " + arrayList + "\n"); /* * Removes from this set all of its elements that are contained in the * specified collection. */ boolean isRemoved = hashSet.removeAll(arrayList); System.out.println("isRemoved : " + isRemoved); System.out.println("hashSet : " + hashSet + "\n"); } }
hashSet : [Rohan, Dave, Phil, Peter, Ram] arrayList : [Ram, Dave, Peter] isRemoved : true hashSet : [Rohan, Phil]
https://sites.google.com/site/javaee4321/java-collections/HashSetDemoRemoveAll.zip?attredirects=0&d=1
See also:
No comments:
Post a Comment