What syntax goes in a Class Declaration in Java ?

Introduction : 

A class is  nothing but a blue print for Java object. It is the logical representation of object. An Object is physical form of class. The syntax for representing a class in Java consists of many elements : 

General Syntax of Class Declarations in Java  

< class modifiers > class < class name > < type parameter list >
                         < extends clause > < implements clause >

{   // body of class 

< field declarations >

< method declarations >

< nested class declarations >

< nested interface declarations >

< nested enum declarations >

< constructor declarations >

< initializer blocks >

}