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Java ArrayList get() Method example

Last Updated: September 11, 2022 by Chaitanya Singh | Filed Under: java

ArrayList get(int index) method is used for fetching an element from the list. We need to specify the index while calling get method and it returns the value present at the specified index.

public Element get(int index)

This method throws IndexOutOfBoundsException if the index is less than zero or greater than the size of the list (index<0 OR index>= size of the list).

Example

In below example we are getting few elements of an arraylist by using get method.

package beginnersbook.com;
import java.util.ArrayList;
public class GetMethodExample {
   public static void main(String[] args) {
       ArrayList<String> al = new ArrayList<String>();
       al.add("pen");
       al.add("pencil");
       al.add("ink");
       al.add("notebook");
       al.add("book");
       al.add("books");
       al.add("paper");
       al.add("white board");

       System.out.println("First element of the ArrayList: "+al.get(0));
       System.out.println("Third element of the ArrayList: "+al.get(2));
       System.out.println("Sixth element of the ArrayList: "+al.get(5));
       System.out.println("Fourth element of the ArrayList: "+al.get(3));
   }
}

Output:

First element of the ArrayList: pen
Third element of the ArrayList: ink
Sixth element of the ArrayList: books
Fourth element of the ArrayList: notebook

Reference:

http://docs.oracle.com/javase/6/docs/api/java/util/ArrayList.html#get(int)

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Tags: Collections, Java-ArrayList

About the Author

I have 15 years of experience in the IT industry, working with renowned multinational corporations. Additionally, I have dedicated over a decade to teaching, allowing me to refine my skills in delivering information in a simple and easily understandable manner.

– Chaitanya

Comments

  1. Rahul says

    March 21, 2016 at 3:07 PM

    please explain the algorithm used when get(int index) is called. about RandomAccess

    Reply

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