نکاتی در مورد Inheritance در جاوا

• Inheritance is known as getting property of one class to another.
• in java we can achieve inheritance using the keyword extends.
• inheritance has 3 types 1-single inheritance 2-multiple inheritance and 3-circular inheritance.
• no programming language support circular inheritance.
• Java also doesn't support multiple inheritance.
• super class object will be created first before the subclass object.
• super class constructor will get called through the subclass constructor.
• super class object is available through subclass reference variables.
• Object class is the super class of all the classes and the object of the Object class will be created first before creation of any other classes.
• we have reference from subclass to superclass and we don't have reference from super classess to sub classess