/* ****************************************************************************** * ubuntu OPENJDK 7 Upgrade 8 * Description: * Dream really created a project today, and he wanted to use the latest version, my side of the OPENJDK is version 7, * So to upgrade to 8 version of the line. * 2016-9-1 Shenzhen Nanshan Ping Shan Village oz
Compiling androidl requires the use of openjdk-7, and using sudo apt-get install OPENJDK-7-JDK an error message appears.Online a number of methods, you can update the software source of the method to solve, the use of the#中国科技大学 源,验证OK。deb http://debian.ustc.edu.cn/ubuntu/ precise main restricted universe multiverse deb http://debian.ustc.edu.cn/ubuntu/ precise-backports restricted universe multiverse deb h
-for-OSX to think about trying to install Xquartz to solve the problem.To establish a soft connection for X11 after installationsudo ln -s /usr/X11/include/X11 /usr/include/X113. Installing FreeTypeA friend who compiles openjdk under Linux may have encountered a requirement to install FreeType, and then install and add the installation directory to the environment variable. But OS X is not the same, FreeType is not practical to install separately. Alt
), the other code is OPENJDK.Note: I'm using Jdk8u40 's Javac code to modify it, so if you want to do it yourself, you need to install JDK8 (the Java compiler is bootstrap, written entirely in Java).Because a lot of people on the Javac code is not familiar (actually I just touch the next day only, also not familiar), so a little more:The main class of the OpenJDK Javac Run is Com.sun.tools.javac.Main, which runs the class directly and takes the file n
1. Install ubuntu Desktop on physical machine or VM
You can download Ubuntu 16.04.2 LTS (recommend) from Https://www.ubuntu.com/download/desktop 1.1. Use source of USTC, it's faster in
sudo cp/etc/apt/sources.list/etc/apt/sources.list.bak
sudo sed-i ' s/archive.ubuntu.com/mirrors.ustc.edu.cn/g ' /etc/apt/sources.list
1.2. Update system
sudo apt-get update
sudo apt-get-y dist-upgrade
sudo apt-get autoclean
reboot
2. Install Tools
2.1. Install Vim
sudo apt-get install vim
2.2 Install
is: the direct operation of Eclipse is not fully run ECLIPSE-CDT function, no new CPP project, find a half-day, only to find that the Ubuntu JDK environment by default is open source OpenJDK so, can not fully support eclip SE-CDT function; Go to the ORACLE website to download the JDK for the platform,,, and then install SUN-JDK, unzip to the appropriate location, set environment variables,,, configure environment variables: If you have Vim installed
Label:Because of my academic needs, I need to build a Java EE development environment in Linux and develop it in collaboration with the students in Windows. Jdk BecauseFedora is used by defaultOPENJDK, removal is more or less problematic, because many open source software is used by default, even if it is installedORACALJDK will also appear in the packageOracle does not exist problems, for the novice I do not dare to touch it;Windows development partners develop together and useOPENJDK Developm
Download installationEnter https://www.mercurial-scm.org/wiki/Mercurial download, Windows on the fool installed, after installation, command line into the installation directory, using the command HG version instructions installed successfully, such asNew sandboxWhat is a sandbox library? In addition to the project repository, there are a number of test libraries that can be used to run some test commands against mercurial without worrying about damage to development. It is possible to use them
Before installing, check if the system comes with OPEN-JDKCommand:Rpm-qa |grep JavaRpm-qa |grep JDKRpm-qa |grep GCJIf no information is entered, no installation is indicated.If the installation can use RPM-QA |grep java | Xargs rpm-e--nodeps Bulk unload All files with Java The key word for this command is JavaFirst retrieve the list containing JavaYum List java*Retrieving the list of 1.8Yum List java-1.8*Install all files for 1.8.0Yum Install java-1.8.0-open
#进入系统的terminal to view the current JDK version:Shell>java-version#查看安装包Shell>rpm-qa|grep Java#将上条命令查出来的结果卸载掉 and see if the uninstallation was successfulShell>rpm-e--nodeps ... java ...Sehll>java-version#下载jdk安装包, Address: http://www.oracle.com/technetwork/java/javase/downloads/ Java-archive-downloads-javase6-419409.html#jdk-6u21-b07-oth-jpr#将下载的文件jdk -6u21-linux-x64-rpm.bin into the/usr/java directoryShell>mkdir/usr/javaShell>cd/usr/java#查看jdk Permissions for -6u21-linux-x64-rpm.binShell>list-l
1. Place your tar version of the JDK 2. Run the command: sudo gedit ~/.BASHRC To set the environment variable with gedit edit ~/.BASHRC: Export Java_home=/your/path/to/jdkexport jre_home= $JAVA _home/jreexport classpath=.: $JAVA _home/lib: $JRE _home/ Libexport Path=${java_home}/bin: $PATH 3. Run the command: sudo update-alternatives--install/usr/bin/java java/your/path/to/jdk/bin/java 300sudo update-alternatives--install /usr/bin/javac Javac/your/path/to/jdk/bin/javac 300 4. Run the command to
Recently in TI's DVSDK write drive module is old by the Linux kernel SVN version number problem, such as "2.6.37-svn41", "2.6.37-svn51" and so on, SVN version of the change, from the above the code kernel version of the change will be changed once,
What ' s up Doc?
17/08/2007:I do you have noticed the Google Ads. I need that to pay the huge amount of bandwidth.
10/05/2012:New Domain name deb-multimedia.orgYou are must edit your/etc/apt/sources.list to replaces the "old" repository name by the
Create the installation directory sudomkdir/usr/lib/jvm3, decompress the file package tarzxvf./jdk-7u25-linux-x64.tar.gz-C/usr/lib/jvm4, configure the environment variable gedit ~ /. Bashrc under the file... 1. download JDK from the official network.
SummaryClass inheritance Relationships
Java.lang.Object
java.util.abstractmap
java.util.hashmap
Defined
public class treemap
extends abstractmap
implements Navigablemap, Cloneable, Serializable
Points
1) differs from Hashtable in that it
Openjdkandroid4.4
Add environment variables:
export JAVA_TOOL_OPTIONS=-Dfile.encoding=UTF8
You can ~ /. Add it to the bashrc file, so you don't have to manually change it every time!
Of course, after the preceding environment variable settings
Because CentOS6.0 will install software such as OpenOffice by default, which requires Java support, the system will install a JDK environment by default. if you need to use a specific Java environment, it is best to uninstall or permanently delete
1. Download JDK from the official website. Download jdk-7u25-linux-x64.tar.gz 2 and create the installation directory.Sudo mkdir/usr/lib/jvm3. decompress the packageTar zxvf./jdk-7u25-linux-x64.tar.gz-C/usr/lib/jvm4. Configure the environment
After a long time of JDK7, I finally settled on the machine with peace of mind. Now I will summarize the installation tips:1.To install JDK 7, you need to pull the JDK binary file .. This simple, direct download on the ORACLE official website can
The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion;
products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the
content of the page makes you feel confusing, please write us an email, we will handle the problem
within 5 days after receiving your email.
If you find any instances of plagiarism from the community, please send an email to:
info-contact@alibabacloud.com
and provide relevant evidence. A staff member will contact you within 5 working days.