Inheritance is one of the key features of OOP that allows us to create a new class from an existing class . The new class that is created is known as subclass (child or derived class) and the existing class from where the child class is derived is known as superclass (parent or base class).
Read moreWhat is has a relationship in Java?
In Java, a Has-A relationship essentially implies that an example of one class has a reference to an occasion of another class or another occurrence of a similar class . For instance, a vehicle has a motor, a canine has a tail, etc.
Read moreHow do you create a method in Java?
The dot ( . ) is used to access the object’s attributes and methods. To call a method in Java, write the method name followed by a set of parentheses (), followed by a semicolon ( ; ) . A class must have a matching filename ( Main and Main. java).
Read moreHow do you create an object in Java?
In Java, we can create Objects in various ways:
Read moreWhat is the formula for salary calculation?
Your total yearly take-home salary = gross salary – total deductions = ₹9.50 lakhs – ₹48,700 = ₹9,01,300. Now, your monthly take-home salary = annual salary/12 = ₹9,01,300/12 = ₹75,108. To do away with the tedious calculations, most people prefer the take-home salary calculator in India.
Read moreHow do you calculate net price in Java?
Java program to calculate discount price :
Read moreWhat does a constructor do in Java?
A constructor in Java is a special method that is used to initialize objects . The constructor is called when an object of a class is created. It can be used to set initial values for object attributes.
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