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MCQ

The first element in the array is numbered 0, so the last element is ______ than the size of the array.

1 less

1 greater

Half

2 less

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What does the following declaration mean?

int (*ptr)[10];

ptr is array of pointers to 10 integers

ptr is a pointer to an array of 10 integers

ptr is an array of 10 integers

ptr is an pointer to array

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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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Which of the following is the correct syntax to declare an ArrayList in Java?

ArrayList al = new ArrayList();

ArrayList al = new ArrayList[];

ArrayList al() = new ArrayList();

ArrayList al[] = new ArrayList[];

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A three-dimensional array is defined as an array in which ______ subscript values are used to access an individual array element.

Three

Two

One

None of the above

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What is allocated to the array at compile-time, before the program is executed?

Integer

Strings

Elements

Memory

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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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