Complete Java SE 8 Developer Bootcamp - Creating Object Types - Part 2

Complete Java SE 8 Developer Bootcamp - Creating Object Types - Part 2

Assessment

Interactive Video

Information Technology (IT), Architecture

University

Practice Problem

Hard

Created by

Wayground Content

FREE Resource

7 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are instance variables in a Java class?

Variables that are only accessible within a method

Variables that are unique to each instance of a class

Variables that are shared across all instances of a class

Variables that are only used for static methods

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the purpose of adding a modifier like 'public' to an instance variable?

To make the variable accessible only within its class

To make the variable accessible to all code in the program

To make the variable accessible only to subclasses

To make the variable immutable

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the return type of a method that does not return any value?

int

boolean

String

void

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is NOT a required component of a method in Java?

Return type

Default value

Method name

Curly braces

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How can you dynamically include the value of an instance variable in a string?

By using the '+' operator for concatenation

By using the '-' operator for subtraction

By using the '/' operator for division

By using the '*' operator for multiplication

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does the '+' operator do when used with strings in Java?

Subtracts one string from another

Concatenates two strings

Adds two numbers

Divides one string by another

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the purpose of method parameters in Java?

To define the return type of a method

To specify the method's name

To pass data into a method

To declare the method's visibility

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