All TalkersCode Topics

Follow TalkersCode On Social Media - A Social Media Network for developers Join Now ➔

Remove Element From Arraylist Java

Last Updated : Mar 11, 2024

Remove Element From Arraylist Java

In this article we will show you the solution of remove element from arraylist java, Java's java.util package contains an arraylist, which belongs to the collection framework. Dynamic arrays are available in Java through it.

Arrays with loops may be slower than string arrays, but they are useful in programs that manipulate arrays a great deal. A class like this can be found in the package java.util.

It is evident that newer methods are now available with the introduction of Java versions and upgrades.

In Java 8, perceptive lambda expressions and streams were introduced that were not available in previous versions, so we now have more ways to perform operations on Arraylists.

We will now discuss the idea of how to remove element from arraylist in java with an example.

Step By Step Guide On Remove Element From Arraylist Java :-

// Java program to Remove Elements from ArrayList
// Using remove() method by indices
// Importing required classes
import java.util.ArrayList;
import java.util.List;
// Main class
public class TC {
    // Main driver method
    public static void main(String[] args)
        // Creating an object of List interface with
        // reference to ArrayList class
        List<Integer> AL = new ArrayList<>();
        // Adding elements to our ArrayList
        // using add() method
        // Printing the current ArrayList
        // This makes a call to remove(int) and
        // removes element 20
        // Now element 30 is moved one position back
        // So element 30 is removed this time
        // Printing the updated ArrayList
  1. The first step is to import the necessary classes, ArrayList and List.
  2. In this section, we define TC, our main class.
  3. Our main method creates a reference to the List interface which has been assigned the type ArrayList.
  4. With the add() method, we add elements to our ArrayList (Integer values).
  5. Here is what our ArrayList looks like.
  6. By calling the remove() method, we remove the element at index 1 (20).
  7. Printing the updated ArrayList completes the update process.
  8. Having removed the element at index 1 twice (30), we remove it again at index 2.
  9. In the last step, we print an updated version of the ArrayList.
  10. ArrayLists before and after their elements have been removed are shown in the output.

Conclusion :-

As a result, we have successfully learned how to remove element from arraylist in java with an example.

The main objective of this tutorial is to teach you the various ways of removing elements from an ArrayList in Java.

I hope this article on remove element from arraylist java helps you and the steps and method method mentioned above are easy to follow and implement.

Author Image About Anjali

Experienced Computer Programmer with a broad range of experience in technology. Strengths in application development and Object Oriented architecture design, front end programming, usability and multimedia technology. Expert in coding languages such as C, C++ Java, JavaScript, PHP and more.

Follow Anjali On Linkedin 🡪