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|Java - Interview Questions and Answers|
|Ans. if you have similar type of data or objects or entities, then we can give them a type with unique name. And this name will be our Data type.|
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|What is casting?|
|What are the Wrapper classes available for primitive types ?|
|What are wrapper classes ?|
|What is Generalization and Specialization in terms of casting ?|
|Why Java is not considered pure OOP's language ?|
|Which data types are supported by JSON ?|
|What are the default or implicitly assigned values for data types in java ?|
|What is the difference between float and double?|
|How do you prefer to store money values in your application ?|
|Difference between long.Class and Long.TYPE ?|