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Java: Code Reading and Refactoring to Objects

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How does object encapsulation aid debugging?

Encapsulation limits scope, reducing complexity. Encapsulation helps in debugging by isolating changes and errors within a specific object.…

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Flashcard Study

Java: Code Reading and Refactoring to Objects

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Why convert local variables to fields in a class?

Fields maintain state across method calls. By converting local variables to fields, you can preserve the state of…

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Flashcard Study

Java: Code Reading and Refactoring to Objects

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Why define a class for a product in an e-commerce application?

Classes encapsulate data and behavior for related entities. Defining a class for a product allows you to encapsulate…

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Flashcard Study

Java: Code Reading and Refactoring to Objects

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Why should you avoid many public fields in a class?

It exposes the internal state and reduces control. Having many public fields exposes the internal state, making it…

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Flashcard Study

Java: Code Reading and Refactoring to Objects

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Why does refactoring procedural code into classes help in practice?

Enhances code organization and reusability. Refactoring procedural code into classes organizes related data and behavior, making the code…

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Flashcard Study

Java: Code Reading and Refactoring to Objects

Front

Why avoid direct manipulation of another class's private fields?

It breaks encapsulation and can cause errors. Directly manipulating another class's private fields violates encapsulation and can lead…

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Flashcard Study

Java: Code Reading and Refactoring to Objects

Front

What is object-oriented debugging?

Tracing how objects interact and change state. Object-oriented debugging involves understanding how objects interact and change over time.…

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Flashcard Study

Java: Code Reading and Refactoring to Objects

Front

When is a class constructor unnecessary?

When default field values suffice. Frame the concept in practical terms so you can explain it during interview…

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Flashcard Study

Java: Code Reading and Refactoring to Objects

Front

Why use methods instead of direct field access?

To control how data is accessed and modified. Methods allow you to control data access and modification, ensuring…

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Flashcard Study

Java: Code Reading and Refactoring to Objects

Front

How to debug object interactions in Java?

Use logging to track method calls and data flow. To debug object interactions, especially in complex systems like…

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