The java.util.concurrent.ConcurrentSkipListSet.size() method is an in-built function in Java which gives the total count of the elements present in the set.
Syntax:
ConcurrentSkipListSet.size()
Parameters: The function does not accept any parameter.
Return Value: The function returns the number of elements in the queue.
Below programs illustrate the ConcurrentSkipListSet.size() method:
Program 1:
// Java Program Demonstrate size()// method of ConcurrentSkipListSet import java.util.concurrent.ConcurrentSkipListSet; class ConcurrentSkipListSetSizeExample1 { public static void main(String[] args) { // Initializing the set ConcurrentSkipListSet<Integer> set = new ConcurrentSkipListSet<Integer>(); // Adding elements to this set for (int i = 1; i <= 10; i++) set.add(i); // Printing the size of the set System.out.println("Number of elements in the set = " + set.size()); // Printing the elements System.out.println("set : " + set); }} |
Output:
Number of elements in the set = 10 set : [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
Program 2:
// Java Program Demonstrate size()// method of ConcurrentSkipListSet import java.util.concurrent.ConcurrentSkipListSet; class ConcurrentSkipListSetSizeExample2 { public static void main(String[] args) { // Initializing the set ConcurrentSkipListSet<String> set = new ConcurrentSkipListSet<String>(); // Adding elements to this set set.add("A"); set.add("B"); set.add("C"); set.add("D"); set.add("E"); // Printing the size of the set System.out.println("Number of elements in the set = " + set.size()); // Printing the elements System.out.println("set : " + set); }} |
Output:
Number of elements in the set = 5 set : [A, B, C, D, E]
Reference:https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/ConcurrentSkipListSet.html#size–
