Learn Java on Your Own in 20 Days | JNNC Technologies

 JAVA is one of the most demanding programming languages in the IT world. Statistically, there are around 7-8 million JAVA Developers across the world and the number is growing rapidly. Needless to say, JAVA has a lot of career opportunities in the tech market and the language will undoubtedly remain in demand in the upcoming times as well. Moreover, all the aspiring developers who want to make it big in the programming world can take JAVA into consideration. Additionally, you can learn this particular language efficiently by following a relevant pathway and with genuine hard work & dedication.

Before moving further, let’s take a look at the origin of the language. JAVA was developed by James Gosling at Sun Microsystems in 1995 and the language runs on different platforms such as Windows, Mac, Linux, etc. The language is majorly used for building enterprise-scale web applications and Android apps. Also, the salaries of JAVA developers are comparatively higher in comparison to various other languages. Here in this article, we will let you know about the structured roadmap or curriculum that you need to follow to learn JAVA in a mere 20 days!

1. Start with the Fundamentals (Day: 1)

Whether it be JAVA or any other programming language, you’re always required to understand the nature and basics of the language before proceeding to the core concepts. You can start with the introduction of the language, its features, applications, etc. Meanwhile, you also need to know how to set up the JAVA environment in a system and can consider to create, compile, and execute your first Java Programas well. It will help you to get familiar with the basic syntax of the language and other aspects. You can explore several Integrated Development Environments (IDEs) as well such as Eclipse, Netbeans, etc.

• Introduction to Java & Its Features
• Java Virtual Machine (JVM)
• Setting Up the JAVA Environment
• Hello World Program in JAVA
• Integrated Development Environments (IDEs) for JAVA

2. Learn DataTypes, Variables & Conditional Statements (Day: 2-3)

Once you’ll get done with the basics, now you need to learn several other crucial concepts that can be considered as prerequisites before working on any language. You need to know how to declare variables in JAVA, how to implement conditional statements, modifiers & operators in JAVA, etc. You are also recommended to learn about the implementation of loop statements in JAVA. Moreover, you can practice several basic programs based on the relevant to particular topics for a better understanding of the concepts.

Data Types | Variables

Conditional Statements

Loops in JAVA

Modifiers | Operators

 Understand Arrays & String Manipulation in JAVA (Day: 4-5)

Okay, now take a step forward and start to learn the concepts like Array, Strings, etc in JAVA. You’re required to understand how to create an Array & access its elements, Strings in JAVA, and other related concepts. Meanwhile, the working of Arrays in JAVA is different in comparison to C/C++ as in Java all arrays are dynamically allocated and various other features as well. Also, you can explore here some additional tips such as Type conversions, Scope of Variables, etc. to get your concepts more clear.