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that this version number of Ubuntu comes with a jdk.) It's just that. I did it myself once, because the path I didn't know where I came from., or you can put it on your own again)3. Enter the directory under--CD/USR/LIB/JVM;4. Unpack this package-----sudo tar-zxvf jdk-7u45-linux-i586.tar.gz do not write another path, is to extract directly to the current folder。 Suppose you want to unzip to another folder and add it later (assuming you need permission to unzip it). Enter sudo-s and enter your l

(where bytecode files are stored) can have multiple, middle use: separate spacesPATH = Execution file location of the compilation run (Java Javac, etc.)Jre_home = location of the core jar packageE:1 export java_home=/usr/lib/jvm/2 export jre_home=${java_home}/3 Export classpath=.:${java_home}/lib:${jre_home}/4 export path=${java_home}/bin: $PATHView CodeExecute the source ~/.BASHRC to complete the modification4. Configure the default JDK versionFor multiple versions, or JDK versions installed b

First step: Download jdk-7u79-linux-x64.tar.gz Wget-c http://download.oracle.com/otn-pub/java/jdk/7/jdk-7-linux-i586.tar.gz (Note: If the download is not down, it is recommended to use Thunderbolt download, and then copied to the Linux system.) )Step Two: Unzip the installation sudo tar zxvf jdk-7u79-linux-x64.tar.gz Cd/usr/lib/jvm Step Three: Modify environment variables Vim ~/.BASHRC Add to: Export java_home=/usr/lib/jvm/jdk1.7.0_79

installed JDK as the default JDK version.Execute code:[Plain]View Plaincopy sudo update-alternatives--install/usr/bin/java Java/usr/lib/jvm/java-7-sun/bin/java 300 sudo update-alternatives--install/usr/bin/javac Javac/usr/lib/jvm/java-7-sun/bin/javac 300 sudo update-alternatives--install/usr/bin/jar Jar/usr/lib/jvm/java-7-sun/bin/jar 300 sud

-linux-x64.tar.gz -c/usr/local/java cd/usr/local/java sudo mv jdk1.7.0_80 jdk1.7.0 3. Configure Environment Variables VI ~/.bash_profile Add at the end of an open file # Export Java env export java_home=/usr/local/java/jdk1.7.0 export JRE_HOME=/USR/LOCAL/JAVA/JDK1.7.0/JRE Export Classpath=.:%java_home%/lib/dt.jar:%java_home%/lib/tools.jar export path= $JAVA _home/bin: $JRE _ Home/bin: $PATH Save the exit and enter the following command to make it effective SOURCE ~/.bash_profile 4. Confi

Phenomenon:---------------------------------[ERROR] Failure executing Javac, but could not parse the error:Javac:invalid Target release:1.8Usage:javac Use-help for a list of possible option---------------------------------The survey found that:[Email protected] ~]# java-versionOPENJDK Version "1.8.0_65"OpenJDK Runtime Environment (build 1.8.0_65-b17)OpenJDK 64-bit Server VM (build 25.65-b01, Mixed mode)[Email protected] ~]# javac-versionJavac 1.7.0_111that is, Java is inconsistent with the Javac

First, install the Java SE JKDA, download Http://www.oracle.com/technetwork/java/javase/downloads/index.html?ssSourceSiteId=ocomen Select the latest version, the current latest version 1.8.0. Download jdk-8u45-linux-x64.tar.gz.B, unzip the download package, add environment variables.$ sudo vim ~/.BASHRCAdd at the end of the documentExport Java_home=/home/jeremy/jdk1.8.0export jre_home=${java_home}/jre export classpath=.:${java_home}/lib:${ Jre_home}/lib export Path=${java_home}/bin: $PATH It

-cookie "" http://download.oracle.com/otn-pub/java/jdk/8u111-b14/ jdk-8u111-linux-i586.tar.gz "# tar Xzf jdk-8u111-linux-i586.tar.gzNote: If Above wget command does not work for your watch this example video to download Java source archive using terminal.Install Java with alternativesAfter extracting archive file with Alternatives command to install it. Alternatives command is available in the chkconfig pac

Compile the Android 4.4.2 source code In the previous article, I shared with you the process of downloading the android 4.4.2 source code in the sky (see the whole process of downloading the android4.4.2 source code (with the downloaded source code). Now I will write down the compilation notes. Installing the JDK The master branch of Android in the Android Open Source Project (AOSP) requires Java 7. On Ubuntu, use OpenJDK. Java 7: For the latest version of Android $ sudo apt-get update$ sudo

Build a Python development environment in Ubuntu 13.10: Step 1 install JDK (to install eclipse ide) Decompress the installation package and set JDK. The update-alternatives -- install option feature adds a new set of system command links. Tar-zxvf jdk-7u45-linux-x64.tar.gzSudo mkdir-p/usr/lib/jvmSudo mv./jdk1.7.0 _ 45/usr/lib/jvm/jdk1.7.0Sudo update-alternatives -- install "/usr/bin/java" "java" "/usr/lib/j

one line./usr/bin/java->/etc/alternatives/javaExport PATH = $ PATH :$ {JAVA_HOME}/bin :$ {JRE_HOME}/binThen execute the following$ Sudo update-alternatives-install/usr/bin/javah/opt/jdk/bin/javah 255$ Sudo update-alternatives-install/usr/bin/javac/opt/jdk/bin/javac 255$ Sudo update-alternatives-install/usr/bin/java/op

Practical Android skills: Switch JDK under Ubuntu After Android L, we recommend that you use JDK 7 to compile the program. This is a natural development rule, just like compiling Android 1.6 4 years ago and using JDK 5. Multi-version JDK can coexist. You only need to use the update-alternatives tool to switch between them at any time. The following describes how to install openjdk and oracle jdk (cannot cope with sun) and switch the version.1. Install

VM and Utuntu InstallationVMware Installation/ubuntu InstallationVMware Environment ConfigurationInstall Vmware-tools:TAR-XF xxx.tar.gzsudo./vmware-install.pl linkRebootUbuntu Environment Configurationsudo add-apt-repository Ppa:git-core/ppasudo apt-get updatesudo apt-get upgradeInstall Ifconfig:What's the location of the Ifconfig programReference:Ubuntu releases historical versionUbuntu 14.04.5 LTS (trusty Tahr)http://cn.ubuntu.com/download/VmwareVMware Workstation 12.5.5 VMSVMware Workstation

1. Install NVIDIA Drive./nvidia-linux-x86_64-384.69.runNvidia-smi success indicates driver OK2. Installing CudaDpkg-i Cuda-repo-ubuntu1404-8-0-local-ga2_8.0.61-1_amd64.debApt-get UpdateApt-get Install CudaInstall PATCH2 (can also not be installed) Dpkg-i Cuda-repo-ubuntu1404-8-0-local-cublas-performance-update_8.0.61-1_amd64.deb3. Reduce the GCC version to less than 5.0 (ubuntu-14 not required because it is already gcc-4.8.4,ubuntu-16)sudo apt-get install g++-4.9sudo update-

,Then enter in the above type to search: Additional drivers Open "Additional drivers--additional Driver" and select the NVIDIA driver that matches your graphics card, and here I amUsing Nvidia binary drivers (375)Then choose Apply Changes, where the installation may fail, at which point you can continue to choose to apply the changes, install multiple timesWhen the installation is complete, select restart4. GCC down versionCUDA8.0 does not support GCC 5.0 and above compilers, and the system come

Ubuntu 14 Installation Jdk7: Official website Download: http://www.oracle.com/technetwork/java/javase/downloads/jdk7-downloads-1880260.htmlSelect Accept license and choose the JDK download that suits your model.1. unzip the downloaded JDK file: [email protected]:~$ lsWorkspace public template video picture document download music Desktop[Email protected]:~$ cd Download$ sudo mkdir/usr/lib/jvm$ sudo tar-zxvf jdk-7u55-linux-i586.tar.gz-c/USR/LIB/JVM2. Configure environment variables belowCommand

:OpenJDKSourceBundleldapjdk.x86_64:TheMozillaLDAPJavaSDK 2. Select a version to installWe install the 1.7 version here 1 [[emailprotected]~]#yuminstalljava-1.7.0-openjdk After the installation is complete, the default installation directory is:/usr/lib/jvm/java-1.7.0-openjdk-1.7.0.75.x86_643. Setting Environment variables 1 [[emailprotected]~]#vi/etc/profile Add the following content: 123456 #setjavaenvir

/index.html Download Java SE 6 Update 33, A jdk-6u33-linux-i586.bin-format file, about 68 MB. STEP 2: Install JDK 6 1. Add execution permissions for jdk-6u33-linux-i586.bin Chmod u + x/usr/lib/jvm/java/jdk-6u33-linux-i586.bin 2. Execute the jdk-6u33-linux-i586.bin and unpack the related files of JDK 6 to the directory of JDK 1.6.0 _ 33. /Jdk-6u33-linux-i586.bin 3. Copy jdk1.6.0 _ 33 to/usr/lib. Mkdir-p/usr/lib/jvm/ Cp-r jdk1.6.0 _ 33/usr/lib/jvm/jdk1.6.0 _ 33 4. Install JDK 6 There are many exec

Install jdk1.7 tomcat7 mysql5.6 on CentOS 6.0 1. pre To facilitate the management of installed software, you need to create a dedicated directoryCd ~ Mkdirdata # diskcddatamkdirsoftware # software installation location mkdirtar_box # tar package storage location 2. setup jdk Use wget to install jdk. Select jdk 7 as the installation source. #cd/data/software #wget--no-cookies--no-check-certificate--header"Cookie:gpw_e24=http%3A%2F%2Fwww.oracle.com%2F;oraclelicense=accept-securebackup-cookie""htt