OOPS ( Object Oriented Programming ) in Salesforce

 OOPS ( Object Oriented Programming ) in Salesforce

• Class: 
• Class is a blueprint or a template from which we can create objects of a class.
• The class contains characteristics and behaviors where characteristics are variable and behaviors are called method.

Class Fruits{

    String color;

    String taste;

}

• Object : 
• Any real-world entity which has a state and behavior is called an object.
• Eg: Book , Chair, Vehicle

            Fruits fruits = new Fruits();

    

• Inheritance:-
• A class that acquires all the properties and features of the parent class is called inheritance.
• Inheritance is also used to achieve runtime polymorphism.
• extends keyword is used to acquire the properties.
• Eg: The child inherits the properties of the parent.

  

class parent {

    public void m1(){

       System.debug("parent method") ;

    }

}

class Child extends parent{

    

       Child child = new Child();

       child.m1();

   

}

• Abstraction : 
• It is the process of hiding implementation detail and showing only the functionality to the user.
• IN other words, hiding internal details and only showing the required things.
• Example: ATM machine, we don't know about the internal processing how the withdrawal will take place.

    

• Polymorphism
• Encapsulaion