There is a method that will center a JFrame when given a null arg. Check the API doc.
Type: Posts; User: Norm
There is a method that will center a JFrame when given a null arg. Check the API doc.
There is a variable or value with a null value on line 52. Look at line 52 in the your source and see what variable is null. Then backtrack in the code to see why that variable does not have a valid...