Java program to get the first item from LinkedList collection using getFirst()

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mahmoud2506

2022-05-07

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Program/Source Code:

The source code to get the first item from the LinkedList collection using getFirst() is given below. The given program is compiled and executed successfully.

// Java program to get the first item from LinkedList collection 
// using getFirst()

import java.util.LinkedList;

public class Main {
  public static void main(String[] args) {
    LinkedList < String > countries = new LinkedList < String > ();

    countries.add("India");
    countries.add("USA");
    countries.add("UK");
    countries.add("CANADA");

    System.out.println("Country names: " + countries);
    System.out.println("First element: " + countries.getFirst());
  }
}

Output:

Country names: [India, USA, UK, CANADA]
First element: India

Explanation:

In the above program, we imported the "java.util.LinkedList" package to use the LinkedList collection class. Here, we created a class Main. The Main class contains a main() method. The main() method is the entry point for the program.

In the main() method, we created an object of the LinkedList collection class to store country names. Here, we added country names using add() method. Then we get the first element from LinkedList using the getFirst() method and printed the result.

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Java program to get the first item from LinkedList collection using getFirst()

Java program to get the first item from LinkedList collection using getFirst()

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Java LinkedList Programs

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