Flash cards
Review the key moves
1/4
Core idea
What is the main idea behind Java LinkedList getFirst() 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 getFirst() method returns the first item in a list.
Definition and Usage
Java LinkedList getFirst() 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 getFirst() to get the first item in the list System.out.println(cars.getFirst());
}
}Definition and Usage
The getFirst() method returns the first item in a list.
Tip
Use the getLast() method to get the last item in a list.
Syntax
public T getFirst()T refers to the data type of items in the list.
Parameters
None.
Technical Details
| Returns: | The first element in the list |
|---|---|
| Throws: | NoSuchElementException - If the list is empty. |