Post java install in Linux, installing dependency packages

After extracting downloaded java setup, In the terminal when I type: java -version It comes back with the below errors

krishna@lifebookah531:~/jdk1.7.0_79$ java -version
The program 'java' can be found in the following packages:
 * default-jre
 * gcj-4.8-jre-headless
 * openjdk-7-jre-headless
 * gcj-4.6-jre-headless
 * openjdk-6-jre-headless
Try: sudo apt-get install <selected package>

As per above error, default-jre package was not properly installed. BY using the below command, installed required packages.

command: sudo apt-get install default-jre

now able to see java version details