Building object class

In object-oriented programming, a class is a construct that is used to create instances of itself – referred to as class instances, class objects, instance objects or simply objects. A class defines constituent members which enable its instances to have state and behavior.[1] Data field members (member variables or instance variables) enable a class instance to maintain state. Other kinds of members, especially methods, enable the behavior of class instances. Classes define the type of their instances.[2]...

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A constructor is a special method that used to initialize the properties of the object A constructor is invoked when the object gets instantiated Note to write a constructor: The name of the constructor and the name of the class are the same A constructor does not return value, not even void A class can have multiple constructors (overloaded constructors)

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Once an object has been instantiated, we can use the dot operator to invoke its methods title.length(); Note: A method may return a value or not Example: String s = new String(“Hello"); int count = s.length(); System.out.println("Length of s is " + count);

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Once the SRS has been approved, implementation begins. Programming teams have many options: The programmers can simply start building the code and create the objects and user interface elements. Designers can build a user interface prototype to demonstrate to the users, stakeholders and the rest of the team. Any code used to develop the prototype is typically thrown away once the design has been finalized. Pictures, flow charts, data flow diagrams, database design diagrams and other visual tools can be used to determine aspects of the design and architecture.

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