Java SE Platform: Learn More and Download Java.
Java Download: A Guide for Beginners
If you are interested in learning how to program in one of the most popular and versatile languages in the world, you will need to download and install Java on your computer. In this article, we will show you how to do that step by step for different operating systems.
What is Java?
Java is a programming language and a software platform that runs on billions of devices, including desktops, laptops, smartphones, tablets, gaming consoles, smart TVs, and many others.
Java was created in 1995 by James Gosling at Sun Microsystems (. Java was created in 1995 by James Gosling at Sun Microsystems (now part of Oracle Corporation) as a simple, portable, and object-oriented language that could run on any device with a Java virtual machine (JVM) . Since then, Java has evolved into a powerful and complex language that supports multiple paradigms, such as functional, concurrent, and distributed programming.
Some of the features and benefits of Java are:
It is platform-independent, meaning that it can run on any operating system that has a JVM installed, without requiring any changes in the source code.
It is robust, meaning that it has built-in mechanisms to handle errors and exceptions, and to prevent memory leaks and security breaches.
It is scalable, meaning that it can handle large and complex applications with high performance and efficiency.
It is multithreaded, meaning that it can execute multiple tasks simultaneously using threads, which are units of execution within a program.
It is network-friendly, meaning that it has a rich set of libraries and tools to support web development, data processing, and communication protocols.
With Java, you can create various types of applications, such as desktop applications, web applications, mobile applications, embedded systems, games, and more. Java is also widely used in the fields of education, enterprise, science, and engineering.
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How to Download Java for Windows
If you are using a Windows operating system, you will need to download and install Java on your computer to run Java applications. Here are the steps to do that:
Check if Java Is Installed
Before you download Java, you may want to check if you already have it installed on your computer. To do that, you can use the command prompt. Here is how:
Open the command prompt by pressing the Windows key + R and typing cmd in the Run box.
Type java -version and press Enter. If you see a message like this:
C:\Users\user>java -version java version "17" Java(TM) SE Runtime Environment (build 17+35-2724) Java HotSpot(TM) 64-Bit Server VM (build 17+35-2724, mixed mode, sharing)
That means you have Java installed on your computer. You can skip the next step and go to the installation step. If you see a message like this:
C:\Users\user>java -version 'java' is not recognized as an internal or external command, operable program or batch file.
That means you do not have Java installed on your computer. You will need to download it from the official website.
Download Java for Windows 10
To download Java for Windows 10, you will need to visit the official Java website and choose the version that suits your needs. There are two main types of Java software that you can download: JDK (Java Development Kit) and JRE (Java Runtime Environment).
JDK is a software package that contains the tools and libraries that you need to develop and run Java applications. It includes JRE, which is a software package that contains the components that you need to run Java applications. If you are planning to write your own Java programs or use an IDE (Integrated Development Environment) such as Eclipse or IntelliJ IDEA, you will need JDK.
JRE is a software package that contains the components that you need to run Java applications that are already written by someone else. If you are only planning to run Java applications that are already written by someone else or use a web browser that supports Java applets, you will need JRE.
To download JDK or JRE for Windows 10, follow these steps:
Go to the official Java website and click on the Download button under JDK or JRE, depending on your choice.
You will be redirected to another page where you will see a table with different versions of JDK or JRE for different platforms. Choose the one that matches your operating system (Windows x64) and click on the Download button next to it.
You will be asked to accept the license agreement before downloading. Check the box that says "I accept..." and click on the Download button again.
You will see a file with an .exe extension being downloaded to your computer. Save it in a location where you can easily find it later You will see a file with an .exe extension being downloaded to your computer. Save it in a location where you can easily find it later.
Install Java on Windows 10
To install Java on Windows 10, you will need to run the .exe file that you downloaded in the previous step. Here are the steps to do that:
Locate the .exe file that you downloaded and double-click on it to launch the installation wizard.
You will see a welcome screen that asks you to choose the installation folder for Java. You can either accept the default location or browse to a different one. Click on the Next button to continue.
You will see a progress bar that shows the installation process. Wait until it is completed and click on the Close button to finish.
You have successfully installed Java on your computer. However, you may need to set some environmental variables in Java to make it work properly.
Set Environmental Variables in Java
Environmental variables are settings that tell your operating system where to find certain files or programs. In Java, you may need to set two environmental variables: JAVA_HOME and PATH.
JAVA_HOME is a variable that tells your operating system where to find the JDK or JRE installation folder. PATH is a variable that tells your operating system where to find the executable files of Java, such as java.exe and javac.exe.
To set these variables on Windows 10, follow these steps:
Open the Control Panel by clicking on the Start button and typing Control Panel in the search box.
Click on System and Security and then click on System.
Click on Advanced system settings on the left side of the window.
Click on the Environment Variables button at the bottom of the window.
In the System variables section, click on the New button to create a new variable.
In the Variable name field, type JAVA_HOME. In the Variable value field, type or browse to the JDK or JRE installation folder (for example, C:\Program Files\Java\jdk-17). Click on OK to save the variable.
In the same section, find the variable named PATH and click on Edit. In the Variable value field, add a semicolon (;) at the end of the existing value and then type or paste %JAVA_HOME%\bin. Click on OK to save the variable.
Click on OK to close all windows and apply the changes.
You have successfully set the environmental variables in Java. You can verify them by opening a new command prompt and typing echo %JAVA_HOME% and echo %PATH%. You should see the values that you entered in the previous steps.
Test the Java Installation
To test if Java is working properly on your computer, you can write and run a simple Java program. Here are the steps to do that:
Create a new folder on your desktop and name it TestJava.
Open a text editor such as Notepad and type or copy the following code:
public class TestJava public static void main(String args) System.out.println("Hello, world!");
This is a basic Java program that prints "Hello, world!" to the console.
Save the file as TestJava.java in the TestJava folder. Make sure that you use the .java extension and not .txt.
Open a command prompt and navigate to the TestJava folder by typing cd Desktop\TestJava and pressing Enter.
Type javac TestJava.java and press Enter. This will compile your Java program and create a file called