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Anti and Null Design Pattern

Work through each question. Reveal the answer when you're ready to check.

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Q1Easynull-object-patternllddesign-patterns

What is the Null Object Design Pattern?

Q2Easyanti-patternssoftware-designlld

What is an Anti-Pattern in software design?

Q3Easynull-object-patternclean-codelld

Why is the Null Object Pattern better than repeated null checks?

Q4Mediumgod-objectanti-patternssoftware-architecture

What is the God Object Anti-Pattern?

Q5Mediumnull-object-patternpolymorphismlld

How does the Null Object Pattern use polymorphism?

Q6Mediumspaghetti-codeanti-patternsmaintainability

What is Spaghetti Code?

Q7Hardsingleton-anti-patternglobal-statelld

Why can Singleton become an Anti-Pattern?

Q8Hardnull-object-patterndomain-driven-designlld

Where is the Null Object Pattern commonly used in real systems?

Q9Hardlava-flowanti-patternslegacy-systems

What is the Lava Flow Anti-Pattern?

Q10Hardanti-patternstechnical-debtsoftware-engineering

Why is identifying Anti-Patterns important in LLD interviews?