Which is the Best Java Web Framework ?

Java - Things to know before your OCJP Exam - Keywords

1. We can't declare a method abstract as well as final.

2. Keywords are case sensitive.

3. * Final variables can be initialized while declaration as well as within constructor.

4. instanceOf returns true if the specified object is the instance of class , interface or any parent class / interface.

5. instanceOf used with null returns false and not exception.

6. * import static com.x is a valid syntax whereas static import com.x is invalid.

7. * Final methods cannot be overridden.

8. Final class cannot be subclassed.

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