运行以下命令: java-version 1. 注释:java -version显示当前安装的Java版本,如果安装成功,您将看到Java 11的版本信息。 4. 设置环境变量 (可选) 虽然Java可以直接使用,但设置环境变量会让您的系统更易用,特别是在需要多个Java版本时。输入以下命令配置JAVA_HOME变量: echo"export JAVA_HOME=/usr/lib/jvm/java-...
JAVA_PATH=/usr/lib/jvm/java−11−openjdk−amd64JAVA_PATH=/usr/lib/jvm/java−11−openjdk−amd64 表格(参数对照表) 验证测试 性能验证 可以通过以下命令来检查Java是否成功安装: java-version 1. 预期结果说明:命令执行后应返回Java的版本信息,如“openjdk version ‘11.0.11’”等。 单元测试代...
OpenJDK Runtime Environment (build 11.0.15+10-Ubuntu-0ubuntu0.22.04.1) OpenJDK 64-Bit Server VM (build 11.0.15+10-Ubuntu-0ubuntu0.22.04.1, mixed mode, sharing) Now you have installed Java 11 Runtime on your Ubuntu 22.04. Install Java Development Kit If need Java Development Kit to compil...
In this article, we will learn how to install Java 8 on Ubuntu OS. We will install JDK in Ubuntu. Java is a programming technology which is actually developed by Sun Microsystems. Java is free to download and use for commercial use. Install Java 8 on Ubuntu How to Install Java 8 on U...
Installing other Java Versions It may happen that you need older versions of Java for your project. Because the commands shown above only install the latest version of either the JDK or the JRE, you need to specifically install the older versions. But no worries! We got you covered!
Installing Oracle Java 7 On Ubuntu version 12.04 or 13.04+ The good news is you can install Oracle Java 7 easily and make it as the default source implementation of the Java platform. First, grab Oracle Java 7 directly fromOracle Java download page: ...
JAVA_HOME=/usr/java/jre1.7.0_67 由于ubuntu中可能会有默认的jdk,如openjdk,所以,为了使默认使用的是我们安装的jdk,还要进行如下工作。 执行 update-alternatives --install/usr/bin/java java /usr/java/jre1.7.0_67/bin/java300update-alternatives --install/usr/bin/javac javac /usr/java/jre1.7.0_...
OpenJDK Runtime Environment(build11.0.14+9-Ubuntu-0ubuntu2)OpenJDK64-Bit Server VM(build11.0.14+9-Ubuntu-0ubuntu2, mixed mode, sharing) Copy You may need the JDK in addition to the JRE in order to compile and run some specific Java-based software. To install the JDK, execute the foll...
This is the recommended and easiest option. This will install OpenJDK 6 on Ubuntu 12.04 and earlier and on 12.10+ it will install OpenJDK 7. Installing Java withapt-getis easy. First, update the package index: sudo apt-get update
Ubuntu Install Java http://linuxpilot.com/ubuntu-java class HelloWorld{ public static void main(String[]arg){System.out.println("HelloUbuntu");}} 保存为H.java javac H.java java HelloWorld 输出:HelloUbuntu