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NavigableSet higher() method in Java

Last Updated : 11 Jul, 2025

The higher() method of

is used to return the least element in this set strictly greater than the given element, or null if there is no such element exists.

:

E higher(E ele)

Where, E is the type of elements maintained by this Set container.

: This function accepts a parameter

which refers to type of element maintained by this Set container.

: It returns the least element in this set strictly greater than the given element, or null if there is no such element exists. Below programs illustrate the higher() method in Java:

: NavigableSet with integer elements.

// A Java program to demonstrate
// higher() method of NavigableSet

import java.util.NavigableSet;
import java.util.TreeSet;

public class GFG {
    public static void main(String[] args)
    {
        NavigableSet<Integer> ns = new TreeSet<>();
        ns.add(0);
        ns.add(1);
        ns.add(2);
        ns.add(3);
        ns.add(4);
        ns.add(5);
        ns.add(6);

        System.out.println("Least element strictly greater than"
                           + " 4 is: " + ns.higher(4));
    }
}

Least element strictly greater than 4 is: 5

NavigableSet with string elements.

// A Java program to demonstrate
// higher() method of NavigableSet

import java.util.NavigableSet;
import java.util.TreeSet;

public class GFG {
    public static void main(String[] args)
    {
        NavigableSet<String> ns = new TreeSet<>();
        ns.add("A");
        ns.add("B");
        ns.add("C");
        ns.add("D");
        ns.add("E");
        ns.add("F");
        ns.add("G");

        System.out.println("Least element strictly greater than"
                           + " D is: " + ns.higher("D"));
    }
}

Least element strictly greater than D is: E

:

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