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MCQ

Which of the following data structures can be used for parentheses matching?

n-ary tree

queue

priority queue

stack

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The data structure required to check whether an expression contains balanced parenthesis is

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In eveluating the arithmetic expression 2*3-(4+5),using stacks to evaluate its equivalent postfix form, which of the following stack configuration is not possible?

4 6

9 6

5 4 2006

9 3 2002

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What is the functionality of the following piece of code?

public void display() 
{
	if(size == 0)
		System.out.println("underflow");
	else
	{
		Node current = first;
		while(current != null)
		{
			System.out.println(current.getEle());
			current = current.getNext();
		}
	}
}

reverse the list

display the list

display the list excluding top-of-the-stack-element

reverse the list excluding top-of-the-stack-element

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One can determine whether an infix expression has balanced parenthesis or not by using .............

Array

Queue

Stack

Tree

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The prefix form of A-B/ (C * D ^ E) is,

-/*^ACBDE

-ABCD*^DE

-A/B*C^DE

-A/BC*^DE

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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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Community Discussion

Similar Questions

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More Data Structure Topics