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Text lesson

removeFirst()

Example

Eliminate the initial item in the list.

import java.util.LinkedList;
public class Main {
 public static void main(String[] args) {
    LinkedList<String> cars = new LinkedList<String>();
    cars.add("Volvo");
    cars.add("BMW");
    cars.add("Ford");
    cars.add("Mazda");
    // Use removeFirst() remove the first item from the list
    cars.removeFirst();
    System.out.println(cars);

Definition and Usage

The removeFirst() method eliminates the initial item in a list.

Tip: Utilize the removeLast() method to remove the final item in a list

Syntax

public T removeFirst()

T refers to the data type of items within the list.

Parameters

None.

Technical Details

Returns:

The deleted element (the first item in the list)

Throws:

NoSuchElementException occurs if the list is empty.