The Object class is the parent class of all the classes in java by default . In other words, it is the topmost class of java. The Object class is beneficial if you want to refer any object whose type you don’t know. Notice that parent class reference variable can refer the child class object, know as upcasting.
Read moreWhat is object class in OOP?
In object-oriented programming, a class is a blueprint for creating objects (a particular data structure), providing initial values for state (member variables or attributes), and implementations of behavior (member functions or methods) . The user-defined objects are created using the class keyword.
Read moreWhat is private method in Java?
The private keyword is an access modifier used for attributes, methods and constructors, making them only accessible within the declared class .
Read moreWhat is public in Java with example?
The public keyword is an access modifier used for classes, attributes, methods and constructors, making them accessible by any other class .
Read moreWhat does public mean in a method?
When a method is public it means it can be accessed by other objects .15 Nis 2010
Read moreWhat is public and private method in Java?
public means you can access it anywhere while private means you can only access it inside its own class . Just to note all private, protected, or public modifiers are not applicable to local variables in Java. a local variable can only be final in java.
Read moreWhat goes in a constructor?
A constructor is a special method of a class or structure in object-oriented programming that initializes a newly created object of that type . Whenever an object is created, the constructor is called automatically.
Read more