Java LinkedList - getFirst() Method
The java.util.LinkedList.getFirst() method returns the first element of the list.
Syntax
public E getFirst()
Here, E is the type of element maintained by the container.
Parameters
No parameter is required.
Return Value
Returns the first element of the list.
Exception
Throws NoSuchElementException, if the list is empty.
Example:
In the example below, the java.util.LinkedList.getFirst() method is used to print the content of the given list.
import java.util.*; public class MyClass { public static void main(String[] args) { //creating a linkedlist LinkedList<Integer> MyList = new LinkedList<Integer>(); //populating linkedlist MyList.add(10); MyList.add(20); MyList.add(30); //printing linkedlist System.out.print("MyList contains: "); while(MyList.size() != 0) { System.out.print(MyList.getFirst()+ " "); MyList.pop(); } } }
The output of the above code will be:
MyList contains: 10 20 30
❮ Java.util - LinkedList