LinkedTransferQueue peek() method in Java
The java.util.concurrent.LinkedTransferQueue.peek() method is an in-built function in Java which is used to return the head of the queue if the queue is non-empty.
Parameters: The function does not accept any parameter.
Return Value: The function returns the head of the queue if the queue is non-empty, otherwise it returns null.
Below programs illustrate the LinkedTransferQueue.peek() method:
The head of the queue is A The elements in the queue : A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
The head of the queue is 10 The elements in the queue : 10 20 30 40 50
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