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MCQ

Data elements grouped in an array can be of any basic data type like:

Integer

Float or character

Any user-defined data types

All of the above

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MCQ

An array is a collection of elements of the same data type and it can be referred to with a___________.

Single array

Single name

Single queue

None of the above

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MCQ

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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MCQ

What are the advantages of parallel arrays over the traditional arrays?

When a language does not support records, parallel arrays can be used

Increased locality of reference

Ideal cache behavior

All of the mentioned

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MCQ

Size of the array need not be specified, when

Initialization is a part of definition

It is a declaratrion

It is a formal parameter

All of these

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MCQ

What are the disadvantages of arrays?

We must know before hand how many elements will be there in the array

There are chances of wastage of memory space if elements inserted in an array are lesser than than the allocated size

Insertion and deletion becomes tedious

All of the mentioned

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Data Structure Basics

Abstract data types

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Lists

Stacks

Queues

Trees

Binary Trees

B Trees

Heaps

Hash based structures

Graphs

Mixed

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