Do you know recently major update for Java, Java 7 released, coming to the point we’ve already covered how to check Java version installed in your Computer, JavaCheck is freeware portable utility for Windows comes included with latest JRE detects JRE presence in your Computer before executing the JAR file, If JRE not detected in your Computer this tool will install it automatically.  If JRE present in your Computer it will simply goes to your JAR file.

You can see Java applet in Control Panel if Java installed in your Computer.

Download JavaCheck