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Java Interview Questions

Q   |   QA

Operator overloading makes the code very difficult to read and maintain. To maintain code simplicity, Java doesn't support operator overloading.

No.

Externalizable is an Interface that extends Serializable Interface. And sends data into Streams in Compressed Format. It has two methods, writeExternal(ObjectOuput out) and readExternal(ObjectInput in)

Only public and abstract modifiers are allowed for methods in interfaces.

  • Variables declared within a method are "local" variables.
  • Variables declared within the class i.e not within any methods are "member" variables (global variables).
  • Variables declared within the class i.e not within any methods and are defined as "static" are class variables.

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