Need help to fix this issue in Basic Java program

Don't know if this is a right place to post.
The problems with the program are:
1.It is not able to display the question on clicking the button "Question".
2.It is not able to match the correct answer with the answer chosen by the user using the radiobuttons.
I have done the coding for the Question to be displayed in a label.But it is not working…
I have used a method getQues( ) for this purpose..
here a,b,c,d are the radiobuttons which should display the options and lblques is the label to…
Need help to fix this issue in Basic Java program

See original post by mayank6169