
what is the difference between class and Class(i.e. class starting with small 'c' and with capital'C')?

is java pen source?

Hi Friend,
Class is a in built class defined by the java.lang package while class is a keyword which is used to create a java class. A class defines instance and class fields, methods, and inner classes as well as specifying the interfaces the class implements and the immediate super class of the class.
Thanks
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