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Tutorial Series: Java

Java is a high-level, object-oriented programming language that is widely used for developing a variety of applications, including desktop software, mobile apps, and web applications. It was originally developed by Sun Microsystems in the mid-1990s and is now owned by Oracle Corporation.

Java is known for its “write once, run anywhere” philosophy, which means that code written in Java can be compiled and executed on any platform that supports the Java Virtual Machine (JVM), including Windows, macOS, Linux, and many others.

Some of the key features of Java include:

Object-oriented: Java is a fully object-oriented programming language, which means that everything in Java is an object.

Platform-independent: Java code can be compiled and run on any platform that supports the JVM.

Garbage collection: Java uses automatic garbage collection to automatically free up memory that is no longer in use.

Strong typing: Java is a statically typed language, which means that variables must be declared with a specific type.

Exception handling: Java includes built-in support for exception handling, which makes it easy to write code that can handle errors and unexpected events.

Rich API: Java includes a large library of built-in classes and APIs for performing common tasks, such as reading and writing files, networking, and user interface development.

Java is widely used in enterprise applications, including banking, healthcare, and insurance. It is also commonly used for developing mobile applications for the Android operating system.

FAQs About Classes In Java

Java’s Memory Management for Objects In Java, when an object is created, it is stored in a memory location called the Heap. All objects, no matter when, where,...

Class Fields in Java

Class fields in Java are variables that belong to a class rather than an instance of the class. They are sometimes called “static variables” because...

Memory Management In Java

The proper understanding of concepts in this tutorial is a prerequisite to understand the next few tutorials. So you are advised to give some extra attention to...

Methods In Java

In Java, a method is a set of instructions that performs a specific task or operation. Methods are defined within a class, and they can be called from other parts...

Java OOP - Introduction To Arrays

Whatever the language, arrays are a fundamental part of the language. Arrays are useful for storing data and organizing it in certain ways. Arrays fall under the...

Constructors In Java

From Wikipedia, the free encyclopedia In class-based, object-oriented programming, a constructor (abbreviation: ctor) is a special type...

Exception Handling In Java

To begin, let’s look at a real-world example of exception handling. We’re walking down the street when someone throws a ball at us. What will you do?...

Java Application Programming Interfaces (APIs)

First and foremost, we must define an API.  An API is a piece of code that specifies how software should interact with others. If we go by the definition provided...

Inheritance In Java

The concept of inheritance is straightforward but powerful. When you want to create a new class and there is an existing class that contains some of the code you...

Polymorphism In Java

In our previous tutorial, we discussed inheritance in Java. Inheritance is one of the pillars of OOP. Inheritance allows you to ensure that all classes in a specific...

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