array of size MAX_SIZE is used to implement a queue. head, tail, and size are tracked. Suppose front is 0 and rear is MAX_SIZE -1. How many elements are present in the queue? a. 0 b. MAX_SIZE-1 c. MAX_SIZE d. 1
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- Write a program and fill a queue with random numbers between 0 and 100. The size of thequeue is assumed to be 15. After filling the array with random numbers, display the elements in the queue and remove the elements of the queue and store these numbers according to the following criteria.If the number in the queue is less than 50, remove it from the queue and store it inside queue 2.Else, remove the number and store these values inside queue 3.Display all three queues on the screen.If an array of size 6 is used to implement a circular queue, and the current values of rear and front are O and 3 respectively, when one element is removed from the queue and two more elements are added, what are the values of rear and front, respectively? O 1, 5 O 4, 2 5, 1 O 2, 3 None of the aboveIn an array based FIFO queue Q, which of the following is correct about the queue after Q.Dequeue( ) is executed? The size of the array is 9 as shown below: 5 (front) 9 8 7 3(rear) 4 front = 1; rear =8 front = 0; rear =7; front = 2; rear =3; front = 0; rear =8;
- QUESTION 9 Write a complete Java program to implement a QUEUE in a bank using LinkedList class as follows: • Provide the menu as shown below; use an infinite loop; stop when user opts 4. 1. Add a customer 2. Remove a customer 3. Show the queue 4. Exit • Add a customer should add an int number at the end of queue using the method addLast(). • Remove a customer should delete the int from front using the method removeFirst(). Show the queue should display the numbers in queue using the method System.out.printIn(). For the toolbar, press ALT+F10 (PC) or ALT+FN+F10 (Mac).Create a queue application with 1. an empty queue of integers 2. add numbers to the queue, 3. calculate and print the difference between the first and the last element. Example: Input : 2, 3, 4, 5, 6, 7, 8, 9 Output : 7 * Explanation: Last element is 9, first element is 2, the difference is 7Use python to implement circular array. Using the three properties: o implement the queue interface using a circular array . . array Array object, initialized capacity front_index-int, index where you dequeue back_index-int, index where you enqueue Don't add or use other properties other than the three above. Wrap - around: set index back to 0 after the limit has been exceeded. Implement size, enqueue (), dequeue (). front () Size property - compute using front_index and back_index Must have two cases: Case 1: front_index <= back_index (normal) Case 2: back_index < front_index (wrap-around) enqueue(item): front (): add item to the next available array cell update back_index: wrap-around if exceeds index limit Before array becomes full (one empty slot left), create a bigger array with 2x capacity (note: don't use expand) Copy current queue items to bigger array (make sure you keep the same queue order) Case 1: front_index < back_index (normal) Case 2: back_index < front_index…
- 15. If a queue is implemented under an ArrayList, how much time does a queue add an item? a. 0(1) b. O(n) с. О(n2) d. 0(log n)A data structure called a deque is closely related to a queue. The name deque stands for “double-ended queue.” The difference between the two is that with a deque, you can insert, remove, or view from either end of the queue. Implement a deque using arraysin java A queue q stores int values. Show what q will look like after each of the following instructions is executed. Show elements from front to rear of the queue. E.g., If you show it as (a,b,c) a is in the font, c in the rear of the queue. q.enqueue(13); q.enqueue(6); q.enqueue(12); q.dequeue(); q.dequeue(); q.enqueue(15); q.enqueue(46); q.dequeue(); q.enqueue(13); q.enqueue(30);
- Using the three properties: implement the queue interface using a circular array ▪ O array Array object, initialized capacity O front_index-int, index where you dequeue back_index-int, index where you enqueue O Don't add or use other properties other than the three above. Wrap - around: set index back to 0 after the limit has been exceeded. Implement size, enqueue (), dequeue (). front () Size property - compute using front_index and back_index Must have two cases: Case 1: front_index <= back_index (normal) Case 2: back_index < front_index (wrap-around) enqueue(item): front (): add item to the next available array cell - update back_index: wrap-around if exceeds index limit Before array becomes full (one empty slot left), create a bigger array with 2x capacity (note: don't use expand) Copy current queue items to bigger array (make sure you keep the same queue order) Case 1: front_index < back_index (normal) Case 2: back_index < front_index (wrap-around) Update array, front_index,…If the following is a circular array based queue of size 99 43 54 76 93 77 18 If rear is at index 1 and front is at index 6, what is the size of the queue?A deque data structure and a queue are related ideas. The abbreviation "deque" stands for "double-ended queue." A deque differs from the other two in that you may insert, remove, or view from either end of the queue. Implement a deque using arrays.