Reference no: EM13712101
I tried to answer this but nothing, if someone knows please help!
Program- Write a method reverseFirstK that accepts an integer k and a queue of integers as parameters and reverses the order of the first k elements of the queue, leaving the other elements in the same relative order.
For case, suppose a variable q stores the subsequent elements:
front [10, 20, 30, 40, 50, 60, 70, 80, 90] back
The call of reverseFirstK(4, q); should change the queue to store the following elements in this order:
front [40, 30, 20, 10, 50, 60, 70, 80, 90] back If k is 0 or negative, no change should be made to the queue. If the queue passed is null or does not contain at least k elements, your method should throw an IllegalArgumentException.
Can you provide some help with my java language project? I hope someone nice out there can help me with it.
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