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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 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

Suppose the contents of an array A are, A = {1, null, null, null, null, 10};What would be the size of the array considering it as a normal array and a sparse array?

6 and 6

6 and 2

2 and 6

2 and 2

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MCQ

An array can be____________type.

Single dimension

Two-dimensional

Three-dimensional

All of the above

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MCQ

The largest element of an array index is called its .................

lower bound

range

upper bound

All of these

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MCQ

When does the ArrayIndexOutOfBoundsException occur?

Compile-time

Run-time

Not an error

None of the mentioned

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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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