Install and configure JDK windows Linux

 

Windows
Next JDK package, install,
Java_home = C:/Java
Path = C:/Java/bin
Classpath =.; % java_home %/lib/dt. jar; % java_home %/lib/tools. Jar

 

 

Linux
Wget 192.168.1.101/jdk-6u11-linux-i586.bin
Music jdk-6u11-linux-i586.bin/usr/local/src/
CD/usr/local/src/
/Jdk-6u11-linux-i586.bin
Mkdir ../Java
MV jdk1.6.0 _ 11/* ../Java/
Vim/home/myz/. bashrc
Export java_home =/usr/local/Java
Export Path = $ java_home/bin: $ path
Export classpath =.: $ java_home/lib/dt. jar: $ java_home/lib/tools. Jar

 

 

Test
// Helloworld. Java
Import java. util .*;
Public class helloworld {
Public static void main (string [] ARGs ){
System. Out. println ("Hello World ");
System. Out. println (new date ());
}
}

 

Javac helloworld. Java
Java helloworld