What is ObjectUtils.mode in Java?

mode() is a staticthe methods in Java that can be called without creating an object of the class. method of the ObjectUtils class that is used to find the most frequently occurring item in a given list of items.

In statistics, the mode is the value that occurs most frequently in a set of data values.

Importing ObjectUtils

The definition of ObjectUtils can be found in the Apache Commons Lang package, which we can add to the Maven project by adding the following dependency to the pom.xml file:

<dependency>
            <groupId>org.apache.commons</groupId>
            <artifactId>commons-lang3</artifactId>
            <version>3.12.0</version>
</dependency>

You can import the ObjectUtils class as follows:

import org.apache.commons.lang3.ObjectUtils;

Syntax

public static <T> T mode(final T... items)

Parameters

• final T... items: The list of items.

Return value

This method returns the most frequently occurring item.

Code

In the code above, we define an array of integers. We get the most frequently occurring integer with the help of ObjectUtils.mode().

Output

The output of the code will be as follows:

ObjectUtils.mode([1, 22, 2, 1, 3, 42, 21, 1, 2, 1, 21, 1, 1]) = 1