Java installation in linux and javalinux Installation

Java installation in linux and javalinux Installation

Installation environment: CentOS release 6.3 (Final) about 64bit cpu

1, http://www.oracle.com to download the latest version of javase jdk Environment

For example, I downloaded: jdk-8u73-linux-x64.tar.gz

2. Upload to/usr/java

3, tar-xzvf jdk-8u73-linux-x64.tar.gz

4. Open the/etc/profile file and write it at the end of the file.

Export JAVA_HOME =/usr/java/jdk1.8.0 _ 73
Export PATH = $ JAVA_HOME/bin: $ PATH
Export CLASSPATH =.: $ JAVA_HOME/lib/dt. jar: $ JAVA_HOME/lib/tools. jar

5, source/etc/profile

6. the java-version can be tested and published.

7. Test the java program and create a new HelloWorld. java file with the following content:

Public class HelloWorld {

Public static void main (String args []) {
System. out. println ("232321321 ");
}
}

8. javac HelloWorld. java

 9, java HelloWorld