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Interfaces Questions And Answers

Here you can find Interfaces Questions and Answers.

Why Interfaces Questions and Answers Required?

In this Interfaces Questions and Answers section you can learn and practice Interfaces Questions and Answers to improve your skills in order to face technical inerview conducted by organisations. By Practicing these interview questions, you can easily crack any Exams interview.

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Interfaces Questions & Answers

1. Which of these keywords is used to define interfaces in Java?

Interfaces Questions & Answers

2. Which of these can be used to fully abstract a class from its implementation?

Interfaces Questions & Answers

3. Which of these access specifiers can be used for an interface?

Interfaces Questions & Answers

4. Which of these keywords is used by a class to use an interface defined previously?

Interfaces Questions & Answers

5. Which of the following is correct way of implementing an interface salary by class manager?

Interfaces Questions & Answers

6. Which of the following is incorrect statement about packages?

Interfaces Questions & Answers

7. Which of the following package stores all the standard java classes?

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Interfaces - Java Multiple Choice Questions and Answers

This is the java programming questions and answers section on "Java Interfaces" with an explanation for various interview, competitive examination and entrance test. Solved examples with detailed answer description, explanation are given and it would be easy to understand. Here are the collection of the multiple choice questions and answers related to the Java Interfaces. Candidates can learn the Java Interfaces Questions and Answers with the help of the arranged online test. At the last of this article, the competitors can find the Java Interfaces Quiz which contains the objective type of questions and answers. We have collected the Java Interfaces Questions from the previously asked interviews and the examinations and arranged in the below Java Interfaces Mock Test. Hence, the postulates need to take part in the Java Interfaces Online Test and gather the various types of questions along with the answers.



Java Interfaces Questions - Java Interfaces Quiz Details

Online Test Name Java Interfaces
Exam Type Multiple Choice Questions
Category Computer Science Engineering Quiz
Number of Questions 07


An interface is the reference type in Java programming language. It is similar to the class data type. It is a collection of the abstract methods. The class implements an interface, thereby inheriting the abstract methods of the interface. Along with the abstract methods, an interface may also contain constants, default methods, static methods, and nested types. Therefore, the students need to know all the primary points of the Interfaces in Java to answer the Java Interfaces Questions. In this portion, we have arranged some fundamentals about the Java Interfaces. So, the students can check and practice the questions in the Java Interfaces Online Test to start the preparation for the interviews and the examinations.



Java Interfaces Multiple Choice Questions

Users can check the Java Interfaces Multiple Choice Questions in the below online test. All the applicants need to know the answer to the questions and try to remember the logic behind the right option. In the above table, we have presented the information like Online Test Name, Category, Exam Type, and the Number of Questions. Thus, the aspirants can check all the details before taking part in the Java Interfaces Quiz. By referring to the Java Interfaces Questions and Answers, the students can know how to answer the questions at the time of the interviews.

Java Interfaces MCQ Quiz Answers with Solutions

We have arranged the solutions along with the explanations to all the Java Interfaces Questions in this article. So, the candidates can check the immediate answers to all the questions. Job hunters who are searching for the various subjects online tests and quizzes can check out our web portal. On Allindiaexams.in homepage we have arranged more mock tests for the sake of the contenders. Hence, all the postulates can take part in the online tests for free of cost with the help of our website.


1. Which of these keywords is used to define interfaces in Java?
  • A. interface
  • B. Interface
  • C. intf
  • D. Intf
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Answer & Explanation

Answer: Option A

Explanation:

interface

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2. Which of these can be used to fully abstract a class from its implementation?
  • A. Objects
  • B. Packages
  • C. Interfaces
  • D. None of the Mentioned.
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Answer & Explanation

Answer: Option C

Explanation:

Interfaces

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3. Which of these access specifiers can be used for an interface?
  • A. Public
  • B. Protected
  • C. private
  • D. All of the mentioned
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Answer & Explanation

Answer: Option A

Explanation:

Access specifier of interface is either public or no specifier. When no access specifier is used then default access specifier is used due to which interface is available only to other members of the package in which it is declared, when declared public it can be used by any code.

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4. Which of these keywords is used by a class to use an interface defined previously?
  • A. import
  • B. Import
  • C. implements
  • D. Implements
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Answer & Explanation

Answer: Option C

Explanation:

interface is inherited by a class using implements.

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5. Which of the following is correct way of implementing an interface salary by class manager?
  • A. class manager extends salary {}
  • B. class manager implements salary {}
  • C. class manager imports salary {}
  • D. None of the mentioned.
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Answer & Explanation

Answer: Option B

Explanation:

class manager implements salary {}

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Related Topics:

  • Exception Handling
  • Serialization
  • Data Types
  • java.util Package
  • Applets
  • Threads
  • java.io Package
  • Operators
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  • Packages

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