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Summary Java tutorial

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Course
BCA103

Institution
Manonmaniam Sundaranar University

In this course, you will learn everything from the basics of Core Java to the end of Core Java. Java is one of the top five programming languages and is widely used in enterprise application, mobile development, and web development. This course is lengthy, but it covers all the essential topics in ...

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Uploaded on March 25, 2024
Number of pages 7
Written in 2023/2024
Type Summary

introduction to core java
why is java so famous
conclusion
intr
history of java why is java so famous
choosing an editor or ide for java
downloading jdk and compiler
creating a java project in vs code

Institution
Manonmaniam sundaranar university
Course
BCA103

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Java Tutorial for Beginners 2023

Introduction to Core Java
In this course, you will learn everything from the basics of Core Java to the end of
Core Java. Java is one of the top five programming languages and is widely used in
enterprise application, mobile development, and web development. This course is
lengthy, but it covers all the essential topics in Core Java.

Why is Java So Famous?
Java has multiple features that make it popular in the industry. It can be used in
various domains, and most of the big companies use Java as their preferred
language. Java Virtual Machine (JVM) is another technology that allows multiple
languages to run on it, making it easier to jump to different languages.

History of Java
Java was made in 1995 by Sun Microsystems and was led by the team of James
Gosling. Later, Oracle bought Sun, and now the trademark of Java belongs to
Oracle. Java is getting updated every six months to make it more powerful.

Choosing an Editor or IDE for Java
There are many editors and IDEs that you can use to write Java code. For beginners,
editors like Notepad, Wordpad, or Notepad++ can be used. But for real projects,
you can use an IDE. Some of the most famous IDEs for Java are Eclipse, IntelliJ IDEA,
and NetBeans. We will be using Visual Studio Code (VS Code) in this course
because it is lightweight and has all the necessary features.

Downloading JDK and Compiler
To write and run Java code, you need to download Java Development Kit (JDK) and
a compiler. You can download JDK from the Oracle website. There are two versions
of JDK - proprietary and open source. You can choose any open-source
implementation of JDK. In this course, we will be using Oracle JDK. You can
download VS Code from its official website.

, Conclusion
Java is a powerful language used in various domains, and learning Core Java is
essential for beginners. Choosing an editor or IDE and downloading JDK and a
compiler is necessary to start writing Java code. With this course, you will learn all
the essential topics in Core Java.

Every six months, Java releases new updates with new features, but the basic
language remains the same. Java is backward compatible, so old code will still work
with new updates. Long term support (LTS) versions get support for a longer
period, so it's better to choose them over non-LTS versions. In this tutorial, we will
use Java 17 as it is an LTS version. To download Java 17, go to the Java website and
select the appropriate package for your operating system.

Next, download Visual Studio Code, a popular IDE. Depending on your operating
system, download the appropriate package. Once both Java 17 and Visual Studio
Code are downloaded, install them.

To verify if Java is installed, open the command prompt and type "java --version"
and "javac --version". If there are any errors, it means the path is not set. To set the
path, go to the environment variables and add the bin folder of the Java installation
to the path variable.

Once everything is set up, open Visual Studio Code and create a new folder to work
with. The left-hand side of the screen shows the explorer, where you can find your
project folder and files. To write your first Java code, create a new file and start
coding.

Creating a Java Project in VS Code
In this tutorial, we will be creating a simple Java project in VS Code. We will start by
opening our files in the VS Code explorer and creating a new project folder. Then,
we will write our first Java code to print "Hello World" using the print method.

Setting Up the Environment
Before we begin, make sure you have installed JDK and confirmed the version using
the terminal in VS Code. To open the terminal in VS Code, click on the terminal
option under the "View" menu. You can also use the terminal to execute commands
such as "java version" and "javac" to check if everything is working properly.

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