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MCQ

What data structure can be used to check if a syntax has balanced parenthesis ?

queue

tree

list

stack

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__________is a linear data structure in which an element can be added or removed only at one end.

Stack

Queue

String

Linked List

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The result of evaluating the postfix expression 5, 4, 6, +, *, 4, 9, 3, /, +, * is

600

350

650

588

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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++;
}

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MCQ

What will be the postfix form of the above expression -(A+B)*(C*D-E)*F/G

A B + C D E * - F G / * *

A B + C D ∗ E − F G / ∗ ∗

A B + C D ∗ E − F G ∗ / ∗

None of these

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Which among the following is not a palindrome?

Madam

Dad

Malayalam

Maadam

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Banking

Engineering

General

Medical

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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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