**Question:**You have some questionable legacy code (that doesn't use interfaces) that you want to enhance, but you don't want to risk breaking other code that uses it. Which pattern would you use?- ○ Decorator- ○ Null Object- ○ Adapter- ○ Proxy You are writing a game's weapon-spawning system. The weapon that's spawned is completely randomized. There are a few base types of weapons, but some of these have one or more additional functions. The additional functions can apply to any of the types of weapons. Which design pattern is the most useful here?- ◯ Adapter- ◯ Null Object- ◯ Decorator- ◯ Proxy

Answered: You have some questionable legacy code…

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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You are writing a game's weapon-spawning system. The weapon that's spawned is completely randomized. There are a few base types of weapons, but some of these have one or more additional functions. The additional functions can apply to any of the types of weapons. Which design pattern is the most useful here?

- ◯ Adapter
- ◯ Null Object
- ◯ Decorator
- ◯ Proxy

Expert Solution

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As per our guidelines, we are supposed to answer only one question. Kindly repost the remaining questions separately.

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Adapter converts the interface of a class into another interface clients expect. Adapter lets classes work together that couldn't otherwise because of incompatible interfaces.

So option c is wrong

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Proxy provides placeholder for another object to control access to it. It deals with how an object is accessed.

So option d is wrong.

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