First of all I am telling about Polymorphism Polymorphism: The term polymorphism was defined from the greek 'Poly' and 'morphos' which mean 'many' and 'forms'. Poly+Morphos=Many forms Polymorph...

The term static polymorphism is associated with overloaded methods because it gives the impression that a single named method will accept a number of different argument types. The System.out.println()...

To Provide backward compatibility. i.e. program written in older version of Oracle might have CHAR used in it. The newer version should be compatible with it. Thats why CHAR is still there in Oracle ..

Since Char is fixed length , the processing speed will be more as there is no need of extra work to measure how much an instance of column is used the memory space. But in Varchar, the processor has ...

The "==" operator can be used to test primitive values for equality, and can also be used to determine if two object references point to the same underlying object. For Java objects, the equals meth...

equals() method is expected to check for the equivalence the contents of the objects. Whereas the == operator is expected to check the actual object instances are same or not."j...

The main differences are: Java does not support typedefs, defines, or a preprocessorJava supports classes, but does not support structures or unionsJava does not support multiple inheritanceJava does...

C++ is not a platform independent language while Java is platform independent language.