Question Discussion & Solution

MCQ

The postfix equivalent of the prefix * + a b - c d is

ab+cd-*

ab + cd * -

ab + - cd *

ab cd + - *

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Select the code snippet which returns the top of the stack.

public int top()
{
       if(q1.size()>0)
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public int top()
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public int top()
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       if(q1.size()>0)
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            return q1.peek();
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       else if(q2.size()>0)
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public int top()
{
       if(q1.size()>0)
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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

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More Data Structure Topics