This week's book giveaway is in the OCAJP 8 forum. We're giving away four copies of OCA Java SE 8 Programmer I Study Guide and have Edward Finegan & Robert Liguori on-line! See this thread for details.
Here is a link to the Java Coding Conventions. At some point I think it is a good idea to check it out, not that you have to do that now.
Also there are buttons under the Add Reply there are buttons to enhance your post. One of them is the CODE button which will create tags around your code to keep it formatted so that it is easier to read.
Why aren't you using the Properties class instead. This way you don't have to recreate the method for loading the properties file from scratch.