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Learn Coding Online – CodingPanel.com

Examples of ArrayList in Java

Posted on February 10, 2021April 7, 2021 by CodingPanel Editor

In this tutorial, you will learn how to create an array using ArrayList in Java.

To get started we need to add the following namespace:

import java.util.ArrayList;

1- ArrayList of String values

First, let’s create an ArrayList of String values:

import java.util.ArrayList;
public class ArrayListExample {

  public static void main(String[] args) {

    ArrayList < String > language = new ArrayList();

    language.add("C++");
    language.add("C#");
    language.add("JavaScript");
    language.add("Java");
    language.add("Julia");
    language.add("Ruby");
    for (String lang: language) {
      System.out.println(lang);
    }

  }
}

Output

C++
C#
JavaScript
Java
Julia
Ruby

2- ArrayList of Integer values

In the second example, we are going to create an ArrayList of integer values:

import java.util.ArrayList;
public class ArrayListExample {

  public static void main(String[] args) {

    ArrayList < Integer > number = new ArrayList();

    number.add(1);
    number.add(2);
    number.add(3);
    number.add(4);
    number.add(5);
    number.add(6);
    for (Integer num: number) {
      System.out.println(num);
    }

  }
}

Output

1
2
3
4
5
6

That’s all. Happy coding!

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  3. Get ASCII value for a character in Java
  4. File Handling in Java

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