The Java runtime, java, is often in the same bin directory. If the installed version is older (i.e. it is Java 5 and you wish to use the more recent Java 7 release), you should proceed below with downloading and installing a JDK. It is possible that you have the Java runtime (JRE), but not the JDK.
Earlobe piercings typically heal completely within 4 to 6 weeks. However, ear cartilage piercings -- such as a tragus, conch or helix piercing -- do not heal fully for 3 to 6 months. Swelling and redness usually resolve fairly quickly, typically within about a week.
NEVER GET YOUR CARTILAGE PIERCED WITH A GUN. Always go with a needle if at all possible. Piercing guns are not made for cartilage, as the blunt force of the gun can shatter it and deform your ear. At Walmart they are not even allowed to use the gun on cartilage. how long will it take for my nose piercing to heal