The Complete Java Developer Course: From Beginner to Master - Array

The Complete Java Developer Course: From Beginner to Master - Array

Assessment

Interactive Video

Information Technology (IT), Architecture

University

Practice Problem

Hard

Created by

Wayground Content

FREE Resource

This video covers the fundamentals of arrays in Java, including their properties, operations, and practical applications.

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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a fundamental characteristic of elements in an array?

They must be of different types.

They must be initialized to zero.

They must be homogeneous.

They must be stored in separate memory locations.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How is memory allocated for an array in Java?

In reverse order.

In a circular buffer.

Contiguously in memory.

Randomly scattered in memory.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which operator is used to allocate memory for an array in Java?

allocate

create

new

malloc

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the purpose of the 'length' field in an array?

To determine the memory address of the array.

To specify the data type of the array.

To indicate the number of elements the array can hold.

To store the maximum value in the array.

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens if you try to access an index outside the bounds of an array?

The program will ignore the request.

The program will return a default value.

An ArrayIndexOutOfBoundsException is thrown.

The program will automatically resize the array.

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the highest valid index in an array of size 5?

4

6

3

5

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a common error when working with array indices?

Syntax error.

Memory leak error.

Type mismatch error.

Off by one error.

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