LinkedListClearEmptySizeExample.java
import java.util.LinkedList; /* * Example of isEmpty(),clear() and size() methods */ public class LinkedListClearEmptySizeExample { public static void main( String[] args ) { LinkedList<Integer> linkedList = new LinkedList<Integer>(); linkedList.add(200); linkedList.add(300); linkedList.add(10000); linkedList.add(5000); linkedList.add(2000); System.out.println("linkedList : " + linkedList + "\n"); int size; boolean isEmpty; size = linkedList.size(); System.out.println("size : " + size); isEmpty = linkedList.isEmpty(); System.out.println("isEmpty : " + isEmpty); linkedList.clear(); System.out.println("\nAfter linkedList is cleared :" + linkedList + "\n"); size = linkedList.size(); System.out.println("size : " + size); isEmpty = linkedList.isEmpty(); System.out.println("isEmpty : " + isEmpty); } }
linkedList : [200, 300, 10000, 5000, 2000] size : 5 isEmpty : false After linkedList is cleared :[] size : 0 isEmpty : true
https://sites.google.com/site/javaee4321/java-collections/LinkedListDemoClearSizeIsEmpty.zip?attredirects=0&d=1
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