To download the historical version of the JDK:
Http://jingyan.baidu.com/article/9989c746064d46f648ecfe9a.html2. Download the JDK and pass it to the root directory.3. Create a directory and place the JDK extract fileThere are two ways to install JDK in a Linux environment, one for RPM installation and the other fo
Install JDK in RedHat 6.1 and redhat6.1 install jdk
I have been using Ubuntu for Hadoop learning. Recently, I need to deploy the production environment. The server is changed to RedHat. I also recorded the installation of JDK in RedHat 6.1, compare it with JDK 8 installed on Ubuntu 14.04.Download
Install the java Development Environment jdk, and install JDK and javajdk
JDK can be understood as a translator who translates the Java advanced language into binary execution.
JDK can compile files. The compiled file extension is. class.
As long as JDK is supported, JAVA
Install JDK 7 on CentOS and JDK 7 on centos1. Download jdk
Http://www.oracle.com/technetwork/java/javase/downloads/jdk7-downloads-1880260.html
Select jdk-7u75-linux-x64.rpm2. Install jdk
Create directoryMkdir/usr/java
Switch to the download directory and copy the downloaded
Jdk environment variable configuration, jdk environment variableFor java Development, you must first install jdk. After jdk is installed, you must configure environment variables:
1. Download jdk (http://java.sun.com/javase/downloads/index.jsp), the version I downloaded is:
Java (2) -- Build and install JDK in the development environment and configure environment variables and jdk Environment Variables
1. Install JDK
Http://www.oracle.com/technetwork/java/javase/downloads/jdk8-downloads-2133151.html
The downloaded jdkis the executable file with the extension name ".exe". Just like installing the common application software, click a
Installing JDK SE1.8 with CentOS
The Yum are usually installed through the OpenJDK
Typically used when developing on a Windows platform is SUNJDK
To avoid possible problems, uninstall your own OPENJDK installation SUNJDK
View the OPENJDK version first
Yum List installed |grep Java
Yum-y Remove java-1.6.0-openjdk.x86_64 Delete openjdk 1.6.0
Want to install SUNJDK to install via wget-c +url
Wget supports HTTP HTTPS FTP protocol
Find the download address
Tags: SOLR system folder path serve Inux AC directly includedFirst, view the JDK installation directorywhereis javajava:/usr/bin/java/usr/local/javawhich Java/usr/bin/javaEcho $JAVA _home Echo $PATH/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin:java_home/bin:/usr/local/java/ Jdk1.7.0_80/bin:/usr/local/erlang/bin:/root/binNote: If you are in Windows, you can use:set Java_home: View JDK Installa
Install JDK 1.6 in Ubuntu and set it to the default JDK 1. download the Liunx JDK in Windows, my jdk-6u43-linux-i586.bin2. upload JDK to Ubuntu3. manually install JDK through secureCRT (I installed under/usr/local/bin/jdk1.6.0 _ 4
How to install JDK on Mac and JDK on Mac
1. Visit the Oracle official website http://www.oracle.com, browse to the home page at the bottom of the menu, and then follow the prompts to operate:
2. Click the jdk download button:
3. Select "Accept Lisence Agreement" to agree to the Agreement:
4. Click the download link after Mac OS X x64:
Windows version, Mac version, Linux version, and so on.JRE (Java Runtime Environment), which is the Java Runtime EnvironmentThe JRE includes the core class libraries required for Java virtual machines and Java programs. If you want to run a well-developed Java program, you only need to install the JRE on your computer.Summary: Jre=jvm+java class LibraryJDK (Java Development Kit), the Java Development KitThe JDK is available to Java developers, includ
To install jdk in Linux (jdk file with the extension. bin:
Cd/usr/lib // open the/usr/lib directorySudo mkdir jvm // create the directory jvmSudo chmod 777 jvm // modify jvm Permissions
Cd/usr/lib/jvm // open jvm
Sudo cp jdk-6u33-linux-i586.bin/usr/lib/jvm // copy the jdk-6u33-linux-x64.bin to the jvm directory, manual
JDK tool keytool and jarsigner help Part1 (JDK keytool jarsigner tool manual)0. BackgroundKeytool is the key and certificate management tool included in JDK. The keystore used to manage the private key and its associated X.509 certificate chain. The X.509 certificate chain is used to authenticate the corresponding public key. The keystore is similar to a databas
Install jdk5.0 in Ubuntu
(Note: the latest version of ubuntu8.04 is installed with JDK by default, so you do not need to install it,
However, if you want to compile and run JavaProgramYou need to configure the environment variable and jump directly to step 2)
1. Install JDK, which significantly improves the performance of desktop programs.
(1) download j
JDK download and installation and configuration environment, jdk configuration EnvironmentDownload and install JDK
1. Select the "downloads" page to download the jdk of the corresponding version or the latest version (it is best to download 32-bit, backward compatible, 64-bit may have unexpected bugs)Note: The 32-bit
When debugging JDK source code, you cannot view the variable value. jdk source code
A few days ago, I wanted to take a look at the JDK source code in debug mode. When I entered the debug mode, I found that the variable value in the method was not visible at all. Why? In the current JDK version, after compilation, the
The workaround is To:First check the Environment:Run in cmdInput Javac and Java command OKEnter the If not exist "%java_home%\bin\java.exe" echo "%java_home%\bin\java.exe" return result: "C:\Program files\java\bin\java.exe" There is no semicolon, indicating that the environment is configured correctly that should be the problem of tomcat, on the internet to find several ways: one: in the Catalina.batAdd a row after set current_dir=%cd%Set Java_home=c:\program files\java\jdk1.6.0_13 (varies from
Confirm the specific version number of the JDK first[Email protected] jdk1.8.0_144]# Rpm-qa | grep JDKUninstalling the JDKInstall your own JDKCreate the Java directory under the/usr/directory (I am already under the/usr/local path)Download the JDK and unzip it to the/usr/local/java path[Email protected] root]# TAR-ZXVF jdk-8u144-linux-x64.tar.gz[Email protected]
Java series (1)-download and install JDK, java-jdk
1. Java platform version
J2SE: Java 2 Platform Standard Edition, java Platform Standard Edition
Java 2 Platform Micro Edition, Micro Edition of java Platform
J2EE: Java 2 Platform Enterprise Edition, java Platform Enterprise Edition
2. Expansion Platform
Java applications must be run on Java Virtual Machine.
Java programs on different platforms can be
After installing the Linux system, the system has its own JDK version, because some of the software in the system needs to use this environment. But when we install Eclipse and Tomcat, it's not possible to use this JDK. At this point we need to install our own downloaded JDK, but before that we need to uninstall the JDK
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