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Welcome to the Interfaces and Packages MCQs Page

Dive deep into the fascinating world of Interfaces and Packages with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Interfaces and Packages, a crucial aspect of Java Programming. In this section, you will encounter a diverse range of MCQs that cover various aspects of Interfaces and Packages, from the basic principles to advanced topics. Each question is thoughtfully crafted to challenge your knowledge and deepen your understanding of this critical subcategory within Java Programming.

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Check out the MCQs below to embark on an enriching journey through Interfaces and Packages. Test your knowledge, expand your horizons, and solidify your grasp on this vital area of Java Programming.

Note: Each MCQ comes with multiple answer choices. Select the most appropriate option and test your understanding of Interfaces and Packages. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

Interfaces and Packages MCQs | Page 3 of 12

Q21.
What type of variable can be defined in an interface?
Discuss
Answer: (d).static final
Discuss
Answer: (b).Method declaration
Q23.
What type of methods an interface contain by default?
Discuss
Answer: (a).abstract
Discuss
Answer: (c).Compilation failure
Discuss
Answer: (a).Compilation failure
Q26.
What happens when we access the same variable defined in two interfaces implemented by the same class?
Discuss
Answer: (d).The interfaceName.variableName needs to be defined
Q27.
Can “abstract” keyword be used with constructor, Initialization Block, Instance Initialization and Static Initialization Block.
Discuss
Answer: (b).False
Q28.
Which of these package is used for graphical user interface?
Discuss
Answer: (b).java.awt
Q29.
Which of this package is used for analyzing code during run-time?
Discuss
Answer: (d).java.lang.reflect
Q30.
Which of this package is used for handling security related issues in a program?
Discuss
Answer: (a).java.security
Page 3 of 12

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