Object Form

Object Form

1. Fields/Attributes

   • Declaration
     • Strict
     • Keywords
       • static, final, transient, atomic
   • Constants
     • public static final
   • Assignment
     • Literal
       • Literal value i.e., 5, "hello"
     • Identifier
       • Method or expression.
   • Level
     • Instance
       • Each instance of the variable is different.
     • Class
       • The same across instances.

2. Methods

   • Methods are well-dened sets of instructions to perform a specic task.
   • Keywords
     • static, void
   • Level
     • Class
     • Instance
   • Constructor
   • Signature
     • Arguments
     • Throws
     • Return type

3. Casting

   • Casting

4. Instantiation

   • Creating a new instance of an object.
   • New
     • Invokes the constructor and returns a reference to the compound data type.

5. Inheritance

   • Inheritance

6. Polymorphism

7. Encapsulation

   • Encapsulation is the packing of data and functions into a single component. The features of encapsulation are supported using classes in most object-oriented programming languages, although other alternatives also exist.  It allows selective hiding of properties and methods in an object by building an impenetrable wall to protect the code from accidental corruption.

8. Serialisation