Flash cards
Review the key moves
1/4
Core idea
What is the main idea behind Java LinkedList removeFirst() Method?
Lesson checks
Practice each idea before moving on
Short Mimo-style checks built from this lesson's code, terms, and sequence.
1Quick choice
Which statement best captures the main point of this lesson?
2Fill blank
Complete the missing token from the example code.
___ java.util.LinkedList;3Order
Put the learning moves in the order that makes the concept easiest to apply.
The removeFirst() method removes the first item in a list.
Definition and Usage
Java LinkedList removeFirst() Method
❮ LinkedList Methods
Example
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 removes the first item in a list.
Tip
Use the removeLast() method to remove the last item in a list.
Syntax
public T removeFirst()T refers to the data type of items in the list.
Parameters
None.
Technical Details
| Returns: | The removed element (the first item in the list) |
|---|---|
| Throws: | NoSuchElementException - If the list is empty. |