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Design - Interview Questions and Answers for 'Adapter design pattern' - 4 question(s) found - Order By Newest

 Q1. What are the Wrapper classes available for primitive types ?Core Java
Anonymous
Ans. boolean - java.lang.Boolean
byte - java.lang.Byte
char - java.lang.Character
double - java.lang.Double
float - java.lang.Float
int - java.lang.Integer
long - java.lang.Long
short - java.lang.Short
void - java.lang.Void

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   Like         Discuss         Correct / Improve     java   java5   data types   wrapper classes   adapter design pattern        rare


 Q2. What Design pattern Wrapper Classes implement ?Design
Anonymous
Ans. Adapter.

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   Like         Discuss         Correct / Improve     java   wrapper classes   adapter design pattern   design pattern


 Q3. What are the disadvantages of Adapter Design Pattern ?Design2017-05-07 08:43:19

Ans. It introduces a layer of adaptations before it reaches the final and desired interface.

Moreover sometimes all requests are forwarded to adapter class. Some of such requests doesn't even require any sort of adaptions as they are qualified to call the final interface directly and introducing overheads.

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   Like         Discuss         Correct / Improve     Adapter Design Pattern  design pattern


 Q4. What could be the real world example of Adapter Design Pattern ?Design2017-05-07 08:45:07

Ans. Voltage converters / Power Adapters

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   Like         Discuss         Correct / Improve     Adapter Design Pattern  Design Pattern



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