Question Discussion & Solution

MCQ

In the stack, If user try to remove element from the empty stack then it called as ___________.

Empty Collection

Underflow of Stack

Garbage Collection

Overflow of Stack

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MCQ

Given below is the Node class to perform basic list operations and a Stack class with a no arg constructor. Select from the options the appropriate push() operation that can be included in the Stack class. Also

public void push(Object item)
{
	Node temp = new Node(item,first);
	first = temp;
	size++;
}

public void push(Object item)
{
	Node temp = new Node(item,first);
	first = temp.getNext();
	size++;
}

public void push(Object item)
{
	Node temp = new Node();
	first = temp.getNext();
	first.setItem(item);
	size++;
}

public void push(Object item)
{
	Node temp = new Node();
	first = temp.getNext.getNext();
	first.setItem(item);
	size++;
}

Discussion

MCQ

What will be the postfix expression for following infix expression:b * c + d / e

b*cde/+

bcd*e/+

bc*de/+

bc*de+/

Discussion

MCQ

Pushing element in the stack means _____________.

Sorting element from the stack

Adding element in the stack

Removing element from the stack

Searching element in the stack

Discussion

MCQ

The result of evaluating the following postfix expression is5, 7, 9, *, +, 4, 9, 3, /, +, -

Discussion

MCQ

What does

accessing item from an undefined stack

adding items to a full stack

removing items from an empty stack

index out of bounds exception

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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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Community Discussion

Similar Questions

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