Found a total of 23 related content
Does linux come with jdk?
Article Introduction:Linux systems do not come with jdk. Oracle JDK is a copyright-protected software and needs to comply with Oracle's licensing terms. Therefore, developers and maintainers of Linux distributions often cannot include Oracle JDK directly into the operating system. However, most Linux distributions will provide OpenJDK as the default Java development tool and runtime environment.
2023-07-05comment 0582
Deepin Linux system installation JDK tutorial
Article Introduction:Deepin Linux system is a domestic operating system based on the Linux kernel. It has the characteristics of stability, security, and ease of use. In Deepin Linux system, installing JDK (Java Development Kit) is a necessary step for developing Java applications. This article will introduce in detail how to Install JDK in Deepin Linux system. Installation steps: Open the terminal of Deepin Linux system. Use the command line to download the JDK installation package. The command is as follows: ``shellsudoapt-getinstallopenjdk-11-jdk`` Wait for the download to complete and the system will automatically install the JDK. To verify whether the JDK is installed successfully, enter the following command: ```javaj
2024-02-15comment197
linux怎么配置jdk环境
Article Introduction:要在 Linux 上配置 JDK 环境,需要:下载 JDK 并解压;设置 JAVA_HOME 环境变量;设置 PATH 环境变量;验证安装;(可选)设置默认 JDK;(可选)更新系统变量。
2024-06-04comment172
How to uninstall linux jdk
Article Introduction:How to uninstall the Linux jdk: First use the command "#rpm -qa|grep gcj" to view the built-in jdk; then use the command "#rpm -e --nodeps java-1.4.2-gcj-compat-1.4.2.0-40jpp .115” can be uninstalled.
2020-05-15comment 02698
How to check the number of bits of jdk in linux
Article Introduction:In Linux, you can use the "java -version" command to check the number of bits of jdk; jdk is a software development tool kit in the Java language. This command can display the current version and number of bits of jdk. It needs to be installed in the JDK environment. run.
2022-03-21comment 02409
What is the rpm statement for installing jdk in linux?
Article Introduction:The rpm statement for installing jdk in Linux is "rpm -ivh jdk-...-linux-x64.rpm"; the rpm package is a management program in Linux that installs the required software on the host through database management. Can realize and manage the installation, viewing and deletion of software.
2022-06-20comment 01607
What to do if linux jdk does not take effect
Article Introduction:The solution to the problem that linux jdk does not take effect: first install "jdk1.8"; then modify "JAVA_HOME" in "/etc/profile" to the new jdk path; then delete the java and javac files; finally execute the command "source / etc/profile".
2020-05-29comment 02972
How to check jdk installation path in linux
Article Introduction:How to check the jdk installation path in Linux: 1. Use the "echo $JAVA_HOME" command to obtain the jdk path configured by the environment variable "$JAVA_HOME"; 2. Use the "rpm -qa | grep java" command to obtain the path of the installation package To view the jdk installation path.
2022-03-25comment 026749
How to solve the problem of failure to install jdk under linux?
Article Introduction:What should I do if the installation of jdk under Linux fails? Some friends encountered the problem of installation failure when installing jdk in linux. The following is a graphic tutorial on installing jdk in linux. Let’s learn about it together! Linux installation jdk graphic tutorial: Sometimes out of necessity (such as installing the latest eclipse), we need to install a specified version of JDK. However, after the installation was completed, I typed the command again to query the JDK version but found that the version number was not updated. 1. Under Linux system, start the terminal. Type the command su in the terminal and press Enter. Then type the root password (note that the password is not displayed on the screen), press Enter, and log in to the root account. 2. Type the command java-version to query the current JDK
2024-01-14comment 0763
How to check whether jdk is installed successfully in linux
Article Introduction:How to check whether jdk is successfully installed in Linux: 1. Right-click on a blank space on the Linux desktop, and select "Open Terminal" in the pop-up drop-down option; 2. In the opened terminal window, enter and execute "java -version" , if the jdk version information is output, the jdk installation is successful.
2022-03-02comment 010957
How to check whether jdk is installed in linux
Article Introduction:How to check whether jdk is installed in Linux: 1. Use "echo $JAVA_HOME" to check whether the jdk environment variable is set. 2. Use the line command "java -verion" to see if you can check the version. If you can check, it means that jdk is installed.
2019-12-25comment 07493
How to configure the jdk environment in Linux system
Article Introduction:The following steps are to deploy the jdk environment in the Linux system 1. Download the jdk installation package 2. Create a new installation jdk folder (/usr/local/java/jdk) cd /usr/localmkdir/usr/local/javalocal directory and create a new java directory cd /usr/local/javamkdir/usr/local/java/jdk Create a new jdk directory cd/usr/local/java/jdk3. Upload the jdk installation package to linux4. Unzip the jdk installation package. Decompression format: The name after the tarzxvf compressed package name can be just Enter an initial letter and use the Tab key
2023-05-12comment 05913
How to uninstall jdk in linux
Article Introduction:How to uninstall jdk in linux: first check which java is installed, the code is [yum list installed | grep java]; then use the rpm command to uninstall, the code is [rpm -e xxxx].
2020-08-31comment 013009
Even a Linux novice can understand it in seconds! Easily check which JDK versions are installed on your Linux system
Article Introduction:As a Linux system administrator or developer, knowing how to check the Java Development Kit (JDK for short) version will be of great benefit to your work progress. With a series of efficient commands and operating procedures, you can easily grasp the version information of the JDK installed in the Linux system. This article will provide a detailed analysis of querying and confirming the selected JDK version in the Linux environment, displaying a list of all installed JDKs, and the specific steps for setting and converting different versions of JDK. 1. Check the default JDK version. In the Linux environment, OpenJDK is often pre-installed as the default Java development kit. If you want to know the JDK version installed by default on the system, you can use the following related commands to check: bashj
2024-04-04comment 0928
How to determine whether to install jdk in linux
Article Introduction:How to check whether jdk is installed in linux: 1. Check whether the jdk environment variable is set: echo $JAVA_HOME. 2. Run the command java -verion to see if you can check the version. 3. Use the ps -ef|grep java command to view the background process.
2019-12-27comment 04361
How to check the jdk version in linux system
Article Introduction:The way to check the jdk version in Linux system is: you can check it through the [java -version] command. The specific method is: 1. Open the terminal; 2. Enter the [java -version] command and press Enter. At this time, the jdk version information will be displayed in the terminal.
2020-07-09comment 040203
How to solve the problem of unsuccessful jdk installation under linux
Article Introduction:The solution to the unsuccessful jdk installation under Linux is: 1. Try to re-download the JDK file and ensure that the downloaded file is complete and correct; 2. Use administrator rights or use the sudo command to run the installation program; 3. Ensure the downloaded JDK version Be compatible with your Linux distribution and meet the system requirements; 4. Make sure the "JAVA_HOME" and "PATH" environment variables are set correctly and add them to the bash configuration file; 5. Make sure the system has the required dependencies installed , and meet the running requirements of JDK.
2023-07-10comment 01821
Steps to install and configure JDK on Linux system: Visit Oracle official website to download
Article Introduction:The following are the steps to install and configure JDK on a Linux system: 1. Visit Oracle’s official website to download the JDK installation package. The download address is: jdk8-downloads.html 2. Upload the downloaded JDK installation package to the Linux server to install jdk on the Linux operating system Steps, you can use the scp command to upload the linux operating system installation jdk steps, for example: ```shellscpjdk-8u271-linux-x64.tar.gzuser@server_ip:/home/user/``` 3. Unzip the JDK installation package linux desktop , you can use the following command to decompress: ```shel
2024-03-30comment824
How to check whether jdk is 32-bit or 64-bit in linux
Article Introduction:In Linux, you can use the "java -version" command to check whether the jdk is 32-bit or 64-bit. This command can check the jdk version in the system; if the "64-Bit" field appears, the installed jdk is 64-bit. If the "64-Bit" field does not appear, the installed jdk is 32-bit.
2022-04-06comment 03479
Where is the linux jdk directory?
Article Introduction:The linux jdk directory is in the bin directory. The specific search method is: 1. Find the execution directory of javad through the "whereis java" command; 2. Find the link file through the execution file; 3. Through "ls -lrt /etc/alternatives/java" Just run the command to find the installation directory.
2023-03-22comment 05427