LinkedBlockingDeque element() method in Java
Last Updated :
19 Nov, 2020
The element() method of LinkedBlockingDeque returns the element at the front the container. It does not deletes the element in the container. This method returns the head of the queue represented by this deque.
Syntax:
public void element()
Parameters: This method does not accept any parameter.
Returns: This method returns the head of the queue represented by this deque.
Below programs illustrate element() method of LinkedBlockingDeque:
Program 1:
Java
import java.util.concurrent.LinkedBlockingDeque;
import java.util.*;
public class GFG {
public static void main(String[] args)
throws IllegalStateException
{
LinkedBlockingDeque<Integer> LBD
= new LinkedBlockingDeque<Integer>();
LBD.add( 10 );
LBD.add( 20 );
LBD.add( 30 );
LBD.add( 40 );
System.out.println( "Linked Blocking Deque: " + LBD);
System.out.println( "Linked Blocking Deque front element: " +
LBD.element());
}
}
|
Output:
Linked Blocking Deque: [10, 20, 30, 40]
Linked Blocking Deque front element: 10
Program 2:
Java
import java.util.concurrent.LinkedBlockingDeque;
import java.util.*;
public class GFG {
public static void main(String[] args)
throws IllegalStateException
{
LinkedBlockingDeque<String> LBD
= new LinkedBlockingDeque<String>();
LBD.add( "ab" );
LBD.add( "cd" );
LBD.add( "fg" );
LBD.add( "xz" );
System.out.println( "Linked Blocking Deque: " + LBD);
System.out.println( "Linked Blocking Deque front element: " +
LBD.element());
}
}
|
Output:
Linked Blocking Deque: [ab, cd, fg, xz]
Linked Blocking Deque front element: ab
Reference: https://docs.oracle.com/javase/7/docs/api/java/util/concurrent/LinkedBlockingDeque.html#element()
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