So... I'm trying to make global strings for all my classes to use. But I get an NPE starting at line 46 and I'm not sure why. Here's my Main class code where all them strings are: http://pastebin.com/m1HaCgBz And here's the error I'm getting: http://pastebin.com/rid0RJHz Thanks. NOTE: I am a bit new to Java but have learnt a fair bit.