I tried installing open-jdk in Centos using the below command,
sudo yum install java-1.8.0-openjdk-1.8.0.131-3.b12.el7_3.x86_64
It installs only the JRE by not JDK.
After installation,
The folder /usr/lib/jvm/java-1.8.0-openjdk-1.8.0.131-3.b12.el7_3.x86_64
only jre
javac
is not recognized.
After going through this link, found out that sudo yum install java-1.8.0-openjdk
installs only JRE.
Executed sudo yum install java-1.8.0-openjdk-devel
to install JDK.