Classes and objects from the essential part of Object-oriented programming, where a class can be considered as a construct that encapsulates a group of variables and methods; whereas, …

C++ provides a particular member function called the Constructor, which enables an object to initialize itself at the time of its creation. It is known as the automatic initialization of objects. …

What is this keyword in Java? this is another Java keyword which as a reference to the current object within an instance method or a constructor — the object whose method or constructor is …

Though most of the readers are unaware of the fact that there is a minor difference between Object-oriented Language and Object-based language. All programming languages that are …

Both wait () and sleep () methods play an essential role in Java programming. Both methods look the same, but there is some difference in their working and existence within a program.

Both abstract class and interface are the major components of the Java language. Both these techniques are used for hiding the implementing part and exposing the functionality part of a …

Data Abstraction and Data Encapsulation both of these features are considered as the pillars of object-oriented programming language, but they have different functionality and …

In a Java class, where there lies an entity reference, it becomes aggregation. Let us take a situation; Student object contains much information such as roll, name, email_add, etc.

super and final keywords are two popular and useful keywords in Java. They also play a significant role in dealing with Java programs and their classes. In this chapter, you will learn …

Difference Between Checked and Unchecked Exceptions in Java In Java programming, for every occurrence of an exception, there generates an exception object, which holds all the details of …