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Questions and Answers
What is an instance method declared in an interface with the default modifier?
What is an instance method declared in an interface with the default modifier?
It is a method that provides a default implementation or behavior for any implementing class without overriding it.
How can an instance method declared in an interface with the default modifier be accessed?
How can an instance method declared in an interface with the default modifier be accessed?
It can be accessed only by the instance of the implementing class.
Can an instance method declared in an interface with the default modifier be static or private?
Can an instance method declared in an interface with the default modifier be static or private?
No, it can never be static or private.
What is the concept of Java?
What is the concept of Java?
What is MSc in Computer Science?
What is MSc in Computer Science?
What is the role of computer science in MSc?
What is the role of computer science in MSc?
Flashcards
Default interface method
Default interface method
An interface method with a default implementation that an implementing class can use without overriding it.
Accessing a default interface method
Accessing a default interface method
You access a default interface method through an instance of the class that implemented the interface.
Default interface method modifiers
Default interface method modifiers
No, default interface methods cannot be declared as static or private.
What is Java?
What is Java?
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What is an MSc in Computer Science?
What is an MSc in Computer Science?
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Computer science role in MSc
Computer science role in MSc
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Study Notes
Interface Methods
- An instance method declared in an interface with the default modifier is a method that provides a default implementation for classes that implement the interface.
- It can be accessed by creating an instance of the class that implements the interface and then calling the method.
Access Modifiers
- An instance method declared in an interface with the default modifier cannot be static, as it is an instance method.
- An instance method declared in an interface with the default modifier cannot be private, as it is intended to be accessed by classes that implement the interface.
Java and Computer Science
- Java is a high-level, class-based, object-oriented programming language that is designed to have as few implementation dependencies as possible.
- MSc in Computer Science is a postgraduate degree that focuses on the study of computer science, including programming languages, algorithms, data structures, computer architecture, and more.
- The role of computer science in MSc is to provide a comprehensive understanding of the theory and practice of computer science, preparing students for a career in the field or for further research.
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Description
Understanding Default Methods in Interfaces Quiz: Test your knowledge on the characteristics and usage of default methods in Java interfaces. Explore key concepts like access, implementation, and restrictions.
