As is the case, Minecraft has required that you install Java's run-anywhere code base, which is a major problem when it can introduce security exploits and annoying adware. However, the game of construction should be considerably more secure thanks to a minor update that was released in the last few weeks. The Windows edition of Minecraft (OS X is expected later in the year) now installs an independent version of Java that's used only while you play. You can also uninstall the entire Java version without losing access to your blocky masterpieces. What's more? The most important thing is that if you haven’t been updating your software frequently, the game might run more smoothly. Minecraft While it's not mandatory to upgrade Java however it is worth taking into consideration when Java is all you're concerned about.