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MCQ

Which of the following statement is false?

Arrays are dense lists and static data structure.

Data elements in linked list need not be stored in adjacent space in memory

Pointers store the next data element of a list.

Linked lists are collection of the nodes that contain information part and next pointer.

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What is the output of the following piece of code?

public class array
{
 public static void main(String args[])
 {
  int []arr = {1,2,3,4,5};
  System.out.println(arr[5]);
 }
}

ArrayIndexOutOfBoundsException

InavlidInputException

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What is the worst case time complexity of inserting an element into the sorted array?

O(nlogn)

O(logn)

O(n)

O(n^2)

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When does the ArrayIndexOutOfBoundsException occur?

Compile-time

Run-time

Not an error

None of the mentioned

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If column-major order is used, how is the following matrix stored in memory?

a	b	c
d	e	f
g	h	i

ihgfedcba

abcdefghi

cfibehadg

adgbehcfi

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For a linear search in an array of n elements the time complexity for best, worst and average case are ......., ....... and ........ respectively

O(1),O(n) and O(n)

O(1), O(n) and O(n/2)

O(n), O(1), and O(n/2)

O(1), O(n) and (n-1/2)

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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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