BlockingDeque take() method in Java with Examples
The take() method of BlockingDeque returns and removes the head of the Deque container from it. The method throws an InterruptedException if it is interrupted while waiting.
Syntax:
public E take()
Returns: This method returns the head of the Deque container.
Exception: The function throws a InterruptedException if it is interrupted while waiting.
Note: The take() method of BlockingDeque has been inherited from the LinkedBlockingDeque class in Java.
Below programs illustrate take() method of BlockingDeque:
Program 1:
import java.util.concurrent.LinkedBlockingDeque;
import java.util.concurrent.BlockingDeque;
import java.util.*;
public class GFG {
public static void main(String[] args)
throws InterruptedException
{
BlockingDeque<Integer> BD
= new LinkedBlockingDeque<Integer>();
BD.add( 7855642 );
BD.add( 35658786 );
BD.add( 5278367 );
BD.add( 74381793 );
System.out.println( "Blocking Deque: " + BD);
System.out.println( "Head of Blocking Deque: "
+ BD.take());
System.out.println( "Blocking Deque: " + BD);
}
}
|
Output:
Blocking Deque: [7855642, 35658786, 5278367, 74381793]
Head of Blocking Deque: 7855642
Blocking Deque: [35658786, 5278367, 74381793]
Program 2: To demonstrate InterruptedException
import java.util.concurrent.LinkedBlockingDeque;
import java.util.concurrent.BlockingDeque;
import java.util.*;
public class GFG {
public static void main(String[] args)
throws InterruptedException
{
BlockingDeque<Integer> BD
= new LinkedBlockingDeque<Integer>();
System.out.println( "Blocking Deque: " + BD);
try {
System.out.println( "Head of Blocking Deque: "
+ BD.take());
}
catch (Exception e) {
System.out.println( "Exception: " + e);
}
}
}
|
Runtime Errors:
Max real time limit exceeded due to either by heavy load on server or by using sleep function.
Reference: https://docs.oracle.com/javase/7/docs/api/java/util/concurrent/BlockingDeque.html#take()
Last Updated :
14 Oct, 2019
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