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AbstractQueue remove() method in Java with examples

Last Updated : 11 Jul, 2025
The remove() method of AbstractQueue returns and removes the head of this queue. Syntax: 
public E remove()
Parameters: This method does not accept any parameters. Returns: The method returns the head of the Queue. Exception: The function throws an NoSuchElementException if the queue is empty. Below programs illustrate remove() method: Program 1:
Output: 
AbstractQueue1 contains : [10, 20, 30, 40, 50]
head : 10
AbstractQueue1 after removal of head : [20, 30, 40, 50]
Program 2:
Output: 
AbstractQueue1 contains : [10]
head : 10
Exception: java.util.NoSuchElementException
Reference: https://docs.oracle.com/javase/8/docs/api/java/util/AbstractQueue.html#remove--
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