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|Interview Questions and Answers|
|Ans. They are wrappers to primitive data types. They allow us to access primitives as objects.|
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|Like Discuss Correct / Improve  java   data types   wrapper classes Asked in 3 Companies basic   frequent|
|What are the Wrapper classes available for primitive types ?|
|Explain Autoboxing ?|
|Will this code give error if i try to add two heterogeneous elements in the arraylist. ? and Why ?|
|What are the benefits of using Wrapper classes over primitive types ?|
|What is the difference between uninitialized values for primitive types and Wrapper classes ?|
|Difference between boolean and Boolean ?|
|What are Wrapper Classes ? What are Primitive Wrapper Classes ?|
|What Design pattern Wrapper Classes implement ?|
|Can we compare Integers by using equals() in Java ?|