A class is a non-primitive or user-defined data type in Java, while an object is an instance of a class . A class is a basis upon which the entire Java is built because class defines the nature of an object.
Read moreWhat are the properties of an object in Java?
An object has three characteristics:
Read moreHow do you input an age in Java?
println(“Enter your age :”); int age=s. nextInt(); System. out. println(“Enter your year of birth :”); String yr=s.
Read moreHow to add Student details in java?
Write appropriate member functions. Create another class students, which has id, name, date of birth and marks of 3 subjects as members. Write appropriate constructor for the student which assigns values to the members. Accept the details as command line arguments and create a student object using the arguments.
Read moreWhat is inheritance in Java?
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.
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