search
HomeJavajavaTutorialQuickly master: Detailed explanation of the installation and configuration method of Java virtual machine

Quickly master: Detailed explanation of the installation and configuration method of Java virtual machine

Get started quickly: Detailed explanation of Java virtual machine installation and configuration

Introduction:
The Java Virtual Machine (Java Virtual Machine, referred to as JVM) is a software that can execute Java Bytecode virtual machine software. As the core environment for Java development, it is very important to understand how to install and configure the Java virtual machine. This article will introduce the installation process of Java virtual machine in detail and provide specific code examples to help readers get started quickly.

1. Download Java Virtual Machine
First, we need to download the Java virtual machine software. Please visit the official website (https://www.oracle.com/java/technologies/javase-jdk11-downloads.html) to download the Java Development Kit (JDK for short) suitable for your operating system.

2. Install the Java virtual machine
After the download is completed, double-click the installer and follow the prompts to install. During the installation process, you select the installation path and default configuration options. It is recommended to set the installation path to a simple and easy-to-remember location for future use. After the installation is complete, continue with configuration.

3. Configure Java virtual machine environment variables
In order for the operating system to correctly identify and use the Java virtual machine, we need to configure environment variables. The following are the steps to configure environment variables:

  1. Open the system's environment variable configuration interface. In Windows systems, you can click the "Start" button and search for "Environment Variables" to configure.
  2. In the "Environment Variables" configuration interface, find the "Path" variable under "System Variables". Click "Edit" and add the installation path of the Java virtual machine to the variable value. For example, if your installation path is "C:Program FilesJavajdk-11.0.1 in", then add that path to the variable value. Note to use semicolon (;) to separate the path.
  3. Click "OK" to save changes.

4. Test whether the Java virtual machine is installed successfully
In order to verify whether the Java virtual machine has been installed successfully, we can test it with a simple code example.

  1. Open a text editor and create a new Java source file. Copy the following code into the file:
public class HelloWorld {
    public static void main(String[] args) {
        System.out.println("Hello, Java Virtual Machine!");
    }
}
  1. Save the file and name it "HelloWorld.java".
  2. Open the command line tool and enter the directory where the Java file is saved.
  3. Compile Java files using the command line. Enter the following command on the command line:
javac HelloWorld.java
  1. If everything goes well, there should be no errors during the compilation process. Now, we can run the Java program. Enter the following command in the command line:
java HelloWorld
  1. If you see the output "Hello, Java Virtual Machine!" in the command line, congratulations, the Java virtual machine has been installed and Configuration successful!

Conclusion:
This article introduces the installation and configuration process of the Java virtual machine in detail, and provides specific code examples to help readers get started quickly. Familiarity with the installation and configuration of the Java virtual machine is very important for future Java development. I hope this article can be helpful to readers and help you start your Java programming journey smoothly!

The above is the detailed content of Quickly master: Detailed explanation of the installation and configuration method of Java virtual machine. For more information, please follow other related articles on the PHP Chinese website!

Statement
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn

Hot AI Tools

Undresser.AI Undress

Undresser.AI Undress

AI-powered app for creating realistic nude photos

AI Clothes Remover

AI Clothes Remover

Online AI tool for removing clothes from photos.

Undress AI Tool

Undress AI Tool

Undress images for free

Clothoff.io

Clothoff.io

AI clothes remover

AI Hentai Generator

AI Hentai Generator

Generate AI Hentai for free.

Hot Article

R.E.P.O. Energy Crystals Explained and What They Do (Yellow Crystal)
1 months agoBy尊渡假赌尊渡假赌尊渡假赌
R.E.P.O. Best Graphic Settings
1 months agoBy尊渡假赌尊渡假赌尊渡假赌
Will R.E.P.O. Have Crossplay?
1 months agoBy尊渡假赌尊渡假赌尊渡假赌

Hot Tools

Safe Exam Browser

Safe Exam Browser

Safe Exam Browser is a secure browser environment for taking online exams securely. This software turns any computer into a secure workstation. It controls access to any utility and prevents students from using unauthorized resources.

WebStorm Mac version

WebStorm Mac version

Useful JavaScript development tools

SAP NetWeaver Server Adapter for Eclipse

SAP NetWeaver Server Adapter for Eclipse

Integrate Eclipse with SAP NetWeaver application server.

MinGW - Minimalist GNU for Windows

MinGW - Minimalist GNU for Windows

This project is in the process of being migrated to osdn.net/projects/mingw, you can continue to follow us there. MinGW: A native Windows port of the GNU Compiler Collection (GCC), freely distributable import libraries and header files for building native Windows applications; includes extensions to the MSVC runtime to support C99 functionality. All MinGW software can run on 64-bit Windows platforms.

Atom editor mac version download

Atom editor mac version download

The most popular open source editor