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LinkedListAddAllListExample.java
import java.util.LinkedList; /* * Example of addAll(Collection<? extends E> c) method */ public class LinkedListAddAllListExample { public static void main( String[] args ) { LinkedList<Integer> linkedList1 = new LinkedList<Integer>(); linkedList1.add(1); linkedList1.add(2); linkedList1.add(3); System.out.println("linkedList1 : " + linkedList1); LinkedList<Integer> linkedList2 = new LinkedList<Integer>(); linkedList2.add(4); linkedList2.add(5); System.out.println("linkedList2 : " + linkedList2); /* * Adding linkedList2 collection elements to the linkedList1 collection */ linkedList1.addAll(linkedList2); System.out.println("linkedList1 : " + linkedList1); } }
linkedList1 : [1, 2, 3] linkedList2 : [4, 5] linkedList1 : [1, 2, 3, 4, 5]
LinkedListAddAllSetExample.java
import java.util.HashSet; import java.util.LinkedList; import java.util.Set; /* * Example of addAll(Collection<? extends E> c) method */ public class LinkedListAddAllSetExample { public static void main( String[] args ) { LinkedList<Integer> linkedList = new LinkedList<Integer>(); linkedList.add(1); linkedList.add(2); linkedList.add(3); System.out.println("linkedList : " + linkedList); Set<Integer> set = new HashSet<Integer>(); set.add(4); set.add(5); System.out.println("Set : " + set); /* * Adding Set collection elements to the list collection */ linkedList.addAll(set); System.out.println("linkedList : " + linkedList); } }
linkedList : [1, 2, 3] Set : [4, 5] linkedList : [1, 2, 3, 4, 5]
https://sites.google.com/site/javaee4321/java-collections/LinkedListDemoAddAll.zip?attredirects=0&d=1
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