Selenium WebDriver with Java - Basics to Advanced and Frameworks - How can Java Classes Take Advantage of Interfaces?

Selenium WebDriver with Java - Basics to Advanced and Frameworks - How can Java Classes Take Advantage of Interfaces?

Assessment

Interactive Video

Information Technology (IT), Architecture

University

Practice Problem

Hard

Created by

Wayground Content

FREE Resource

The video tutorial covers the execution of methods in Java, focusing on creating class objects and implementing interfaces. It explains how to define methods specific to a class and discusses the use of variables in interfaces, emphasizing that they are public by default. The tutorial also explores implementing multiple interfaces in a single class, providing a comprehensive understanding of interface usage in Java programming.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is necessary to execute methods defined outside the main function?

Creating a new package

Using a static method

Creating a class object

Defining the method as public

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

When implementing an interface, what is the default access modifier for variables?

Private

Default

Public

Protected

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How are interface methods implemented in a class?

By declaring them as static

By using default methods

By providing a body for each method

By defining them as abstract

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens if you don't define interface variables as public?

They become private by default

They cannot be accessed

They become protected by default

They are treated as public by default

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why can't a method specific to a local context be called using an interface object?

Because the method is private

Because the method is not part of the interface

Because the method is static

Because the method is protected

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What must be done to access methods from multiple interfaces in a single class?

Create a new class for each interface

Use a single object for all interfaces

Implement all interfaces in the same class

Create specific objects for each interface

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is required to call a method from a different interface?

Create a new object specific to that interface

Use a static reference

Use the same object for all interfaces

Declare the method as public

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