title: What is -XX , -X and -d in java? and what is -XX:+ means? what -XX:- means?
body: <p>In java parameters(java -XX:+PrintFlagsFinal) what is <strong>-XX</strong> means and <strong>-d</strong> means what. and something in -<strong>XX:+</strong> (with plus+) some things with (<strong>XX:-</strong>). </p>