JAVA class + gui problem
public class Problem_0028{
/**
* Note: In this problem set level you will use inner classes bydefining custom classes
* inside the Problem_0028 class. This is only done so you cansubmit multiple
* classes in a single java file on AutoLab. In most cases it isbetter practice to define
* each class in a separate file instead of using innerclasses.
*
*/
/**
* q1: Write a public class named GraduationListener that implementsthe ActionListener
* interface. This class will have a public constructor that takes aJTextField and a JLabel
* as parameters and stores these in instance variables. Overridethe actionPerformed method
* to interpret the text on the
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