The JDK is a development tool for building applications, applets, and components using the Java programming language . It includes a useful tool for developing and testing programs written in the Java programming language and runs on the Java platform. You can go through this document to know more about new enhancement of Java JDK 8. This post describe how to install JAVA 8 (JDK 8u45) on CentOS 6 and CentOS 7 from rpm package.
1. Download Oracle Java 8 rpm from official website (64 bit):
# wget --no-cookies --no-check-certificate --header "Cookie: gpw_e24=http%3A%2F%2Fwww.oracle.com%2F; oraclelicense=accept-securebackup-cookie" "http://download.oracle.com/otn-pub/java/jdk/8u45-b14/jdk-8u45-linux-x64.rpm"
2. Install Oracle Java 8 :
# rpm -ivh jdk-8u45-linux-x64.rpm
Preparing... ################################# [100%]
Updating / installing...
1:jdk1.8.0_45-2000:1.8.0_45-fcs ################################# [100%]
Unpacking JAR files...
rt.jar...
jsse.jar...
charsets.jar...
tools.jar...
localedata.jar...
jfxrt.jar...
plugin.jar...
javaws.jar...
deploy.jar...
3. Verify the Oracle Java version :
# java -version java version "1.8.0_45" Java(TM) SE Runtime Environment (build 1.8.0_45-b14) Java HotSpot(TM) 64-Bit Server VM (build 25.45-b02, mixed mode)
4 Comments
JDK (Java Development Kit) provides the ability to develop a new Java application, which includes Java compiler. JRE (Java Runtime Environment) provides the runtime environment for any Java application with applets.
Manual installation downloads an IFTW (Install From The Web) executable program file and requires minimum user intervention. When you run this program, it fetches all the required files from the web, so you must remain connected to the Internet during the installation.
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