SortedSet last() method in Java
The last() method of SortedSet interface in Java is used to return the last i.e., the highest element currently in this set.
Syntax:
E last()
Where, E is the type of element maintained by this Set.
Parameters: This function does not accepts any parameter.
Return Value: It returns the last or the highest element currently in the set.
Exceptions: It throws NoSuchElementException, if the set is empty.
Below programs illustrate the above method:
Program 1:
Java
// A Java program to demonstrate// working of SortedSetimport java.util.SortedSet;import java.util.TreeSet;public class Main { public static void main(String[] args) { // Create a TreeSet and inserting elements SortedSet<Integer> s = new TreeSet<>(); // Adding Element to SortedSet s.add(1); s.add(5); s.add(2); s.add(3); s.add(9); // Returning the lowest element from set System.out.print("Greatest element in set is : " + s.last()); }} |
Output:
Greatest element in set is : 9
Program 2:
Java
// Program to illustrate the last()// method of SortedSet interfaceimport java.util.SortedSet;import java.util.TreeSet;public class GFG { public static void main(String args[]) { // Create an empty SortedSet SortedSet<Integer> s = new TreeSet<>(); // Trying to access element from // empty set try { s.last(); } catch (Exception e) { // throws NoSuchElementException System.out.println("Exception: " + e); } }} |
Output:
Exception: java.util.NoSuchElementException
Reference: https://docs.oracle.com/javase/10/docs/api/java/util/SortedSet.html#last()