boolean
isEmpty()
Returns
true if this list contains no elements.
import java.util.*; class ListEmpty{ public static void main(String args[]){ List<Double> myList = new LinkedList<> (); System.out.println("Number Of Elements in the List are " + myList.size()); System.out.println("Is the List Empty " + myList.isEmpty()); /* Add Elements to the List */ myList.add(10.01); myList.add(null); myList.add(123.01); myList.add(null); System.out.println("Number Of Elements in the List are " + myList.size()); System.out.println("Is the List Empty " + myList.isEmpty()); System.out.println("Elements in the List are"); System.out.println(myList); } }
Output
Number Of Elements in the List are 0 Is the List Empty true Number Of Elements in the List are 4 Is the List Empty false Elements in the List are [10.01, null, 123.01, null]
Prevoius Next Home
No comments:
Post a Comment