Java Tutorial Overview
Widely considered as the most popular programming language underlying under almost every modern-day software application, Java has carved a niche for itself in the market place. Currently, Java is an inevitable requisite when it comes to IT. The average salary of a Java Specialist is around ₹146,000.
This Java tutorial is an introduction to help you learn Java which is a very versatile language. According to Forbes, Java is one of the best programming languages to get a job at a big software company. This programming language can fetch you a job in top MNC companies like Google and Microsoft. As per Glassdoor, the average salary of a Java developer is $88,000 per annum. Java is one such open-source, programming language that can let you create amazing and rational applications for business and entertainment purposes. It is certainly a versatile programming platform with a wide range of expressions, functions and methods.
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Besides IT projects, Java has utility in mobile app development and gaming applications. Having Java programming skills and Java Certification, you can certainly see yourself in a challenging, competitive and growth-oriented working environment. It is an essential and vital programming language, which once mastered, let you easily and quickly understand other object-oriented platforms. Although there had been times when Java experienced a slowdown, it instantly took on grips with Android app development.
Here we have the list of topics if you want to jump right into a specific one:
Why Java programmers are in demand?
Despite having so many languages for creating applications and web development, Java programmers are always in demand. Read below to find out the reason behind this fact:
- Java is guaranteed to be ‘write once and run everywhere’
- Collection of objects invoking each other’s methods
- A case sensitive language which makes it take different meanings for the same word typed differently.
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C++ vs Java?
Both are the object-oriented programming languages, but Java’s rich set of functionalities has made it overrule C++. Want to know how?
| Java |
C++ |
| Built-in functionality to support threads |
Does not support threads |
| Successor of C(syntax), and C++ |
Successor of C |
| Code compiled |
Compiled and interpreted |
| No database connectivity |
Database connectivity supported |
Java has been Google’s first and top choice for Android app programming. It brings an extensive number and variety of job opportunities in multiple businesses. In the present time, when every business has gone to laptop screens, desktops and mobile phones, we require a conversant and skilful technical team that can design, code and create amazing websites and functionalities for all types of audiences. Java is a popular and preferred coding language to accomplish technical tasks in the organisation.
Java outsources millions of job opportunities with higher salaries and senior positions in the top multinational companies. This Java tutorial is designed to train you on Java basics and advanced concepts. Starting with the tutorial, you will learn the essential and preliminary theories and its Installation on your system. You will be able to make a simple java program independently, with a valid output.
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Moving forward, this reference will take you through understanding Comments and Keywords, basic data types in Java, Java Array,Java String, Java Operators, Java If Else Statements, Java Loops, Java Methods, Classes and Objects. Further, it describes core concepts of Encapsulation, Inheritance, Polymorphism, Abstract class and Interface, Java Constructors, Static and Dynamic Binding. It comprises the implementation of ‘this’, ‘super’, ‘final’ and ‘static’ keywords in Java and their comparisons.
Downcasting with ‘instanceof’ operator, Aggregation(HAS-A) and Composition, Java File I/O, Multithreading, Java Packages and Exception Handling are other significant topics you get familiar while enhancing your Java programming knowledge. Each topic is explained with suitable and elaborative, real-time examples that you can apply in your project.
Most interestingly, the tutorial is helpful for both, beginners as they can learn Java from the scratch using multiple examples, and for experienced Java developers to retouch their concepts and take a quick tour of conceptual insights.
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Recommended Audience
- Students and Professionals aiming to build their career as Java Developers, Software Architects, Web Designers and fetch jobs in top-paid Multinationals.
- Entry-level and advanced programmers in the IT industry.
Prerequisites
A mind bend towards logical reasoning will be beneficial.