Which application is using a specific port in Linux

$ lsof -i :8080

COMMAND   PID   USER   FD   TYPE DEVICE SIZE/OFF NODE NAME
java    10165 mkyong   52u  IPv6 191544      0t0  TCP *:http-alt (LISTEN)

$ ps -ef | grep 10165

mkyong   10165  4364  1 11:58 ?        00:00:20 /opt/jdk/jdk1.8.0_66/jre/bin/java
//...
-Djava.endorsed.dirs=/home/mkyong/software/apache-tomcat-8.0.30/endorsed
-classpath /home/mkyong/software/apache-tomcat-8.0.30/bin/bootstrap.jar:
/home/mkyong/software/apache-tomcat-8.0.30/bin/tomcat-juli.jar
-Dcatalina.base=/home/mkyong/.IntelliJIdea15/system/tomcat/Unnamed_hc_2
-Dcatalina.home=/home/mkyong/software/apache-tomcat-8.

0.30
-Djava.io.tmpdir=/home/mkyong/software/apache-tomcat-8.0.30
/temp org.apache.catalina.startup.Bootstrap start

References
https://www.mkyong.com/linux/linux-which-application-is-using-port-8080/