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Software Design Patterns | Temirgaly Dinmukhammed

Software Design Patterns | Temirgaly Dinmukhammed

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Which of the following is a drawback of Factory Method?

Breaks dependency inversion.

100%

Requires subclassing to change product creation.

Cannot create product families.

Increased code duplication.

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In Java GUI frameworks, separating window abstraction from rendering implementation is an example of:

Bridge pattern.

Adapter pattern.

Builder pattern.

Factory Method.

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Which of the following is an example of Bridge?

Singleton Logger.

Arrays.asList().

Java’s Collections.unmodifiableList().

Java’s JDBC API decoupling drivers from clients.

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class OldPrinter {

void printText(String s) { ... }

}

interface NewPrinter {

void print(String msg);

}

class PrinterAdapter implements NewPrinter {

private OldPrinter oldPrinter;

public void print(String msg) {

oldPrinter.printText(msg);

}

Which pattern is used?

Object Adapter.

Bridge.

Factory Method.

Class Adapter.

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Adapter can be used to implement Bridge internally.

Builder is always preferable to telescoping constructors.

True

False

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Which implementation approach makes Factory Method flexible?

Using static utility methods.

Using reflection only.

Using inheritance and polymorphism to defer instantiation.

100%

Using dependency injection frameworks.

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Which pair is MOST closely related in usage?

Decorator and Builder.

Abstract Factory and Factory Method.

100%

Builder and Adapter.

Bridge and Singleton.

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The Bridge pattern intent is:

Decouple abstraction from implementation so they can vary independently.

Convert interface to another.

Create product families.

Build complex objects step by step.

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Class Adapter in Java is limited because:

It cannot override methods.

Java does not support multiple inheritance.

It only works with interfaces.

It breaks encapsulation.

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