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Java Frequently Asked Questions:
    1. What is Inheritance?
    2. What is Polymorphism?
    3. What is Encapsulation?
    4. Avoiding the Divide by Zero Error
    5. Public Classes in Java Source Files
    6. The Import Statement in Java
    7. Classes with Default Access
    8. What are Local Variables?
    9. What is an Abstract Method?
    10. Data Structures
    11. What is Autoboxing and Auto-Unboxing?
    12. What is multithreading?
    13. What are Threads?
    14. Thread States
    15. What is the Purpose of Synchronization?
    16. Thread Interaction
    17. Can You Start a Thread Twice?

Java FAQ 11 - What is Autoboxing and Auto-Unboxing?

Autoboxing is the processing of converting primitive-type values to a type-wrapper object. Auto-unboxing is the processing of converting a value stored in a type-wrapper object to a primitive-type value. Sun added them into Java 5 in order to save programmer time from having to write code for boxing and unboxing.