Which of the following uses FIFO method...

MCQ

Which of the following uses FIFO method

Queue

Stack

Hash Table

Binary Search Tree

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MCQ

Which data structure allows deleting data elements from and inserting at rear?

Stacks

Queues

Dequeues

Binary search tree

Discussion

MCQ

Which of the following is not the type of queue?

Ordinary queue

Single ended queue

Circular queue

Priority queue

Discussion

MCQ

In a queue, the initial values of front pointer f rare pointer r should be

0 and 1

0 and -1

-1 and 0

1 and 0

Discussion

MCQ

Which of the following can be used to delete an element from the front end of the queue?

public Object deleteFront() throws emptyDEQException
{
	if(isEmpty())
		throw new emptyDEQException("Empty");
	else
	{
		Node temp = head.getNext();
		Node cur = temp;
		Object e = temp.getEle();
		head.setNext(cur);
		size--;
		return e;
	}
}j

public Object deleteFront() throws emptyDEQException
{
	if(isEmpty())
		throw new emptyDEQException("Empty");
	else
	{
		Node temp = head.getNext();
		Node cur = temp.getNext();
		Object e = temp.getEle();
		head.setNext(cur);
		size--;
		return e;
	}
}

public Object deleteFront() throws emptyDEQException
{
	if(isEmpty())
		throw new emptyDEQException("Empty");
	else
	{
		Node temp = head.getNext();
		Node cur = temp.getNext();
		Object e = temp.getEle();
		head.setNext(temp);
		size--;
		return e;
	}
}

public Object deleteFront() throws emptyDEQException
{
	if(isEmpty())
		throw new emptyDEQException("Empty");
	else
	{
		Node temp = head.getNext();
		Node cur = temp.getNext();
		Object e = temp.getEle();
		temp.setNext(cur);
		size--;
		return e;
	}
}

Discussion

MCQ

n elements of a Queue are to be reversed using another queue. The number of

2*n

4*n

The task cannot be accomplished

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Abstract data types

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Trees

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B Trees

Heaps

Hash based structures

Graphs

Mixed

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category More Data Structure Topics

Data Structure Basics

Abstract data types

Arrays

Lists

Stacks

Queues

Trees

Binary Trees

B Trees

Heaps

Hash based structures

Graphs

Mixed

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