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Quick study sessions to strengthen memory and retain key concepts.

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Java: Interfaces

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How can a class resolve method signature conflicts from multiple interfaces?

By overriding the conflicting method in the class. When a class implements multiple interfaces that declare methods with…

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Java: Interfaces

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Why does default methods in modern Java interfaces matter in this design?

They provide a way to add new methods to interfaces without breaking existing implementations. Default methods in interfaces…

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Java: Interfaces

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How do interfaces improve testability in Java applications?

Interfaces allow for easy substitution with mock implementations during testing. When a class depends on an interface, you…

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Java: Interfaces

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Why is loose coupling important in software design?

Loose coupling reduces dependencies between components, making them easier to change or replace. Loose coupling in software design…

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Java: Interfaces

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Why does implementing multiple interfaces in a class help in practice?

It allows a class to inherit capabilities from various sources. A class can implement multiple interfaces, allowing it…

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Java: Interfaces

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How do interfaces define contracts in Java?

Interfaces define a set of methods that implementing classes must fulfill. In Java, interfaces act as contracts that…

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Java: Interfaces

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What keyword is used to declare an interface?

The 'interface' keyword. Frame the concept in practical terms so you can explain it during interview discussion. The…

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Java: Interfaces

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How do interfaces support the Open/Closed Principle?

By allowing new functionality through new implementations. The Open/Closed Principle states that software entities should be open for…

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Java: Interfaces

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How do private methods in interfaces enhance code organization?

They allow code reuse within the interface. Private methods in interfaces, introduced in Java 9, enable code reuse…

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Flashcard Study

Java: Interfaces

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Why does functional interfaces matter in practice?

They allow lambda expressions and functional programming. Functional interfaces have a single abstract method and are used extensively…

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