java programming 5. Expand the RefUnsortedList class (section 6.7) with a public method endInsert, which inserts an element at the end of the list. Do not add any instance variables to the class. The method signature is: public void endInsert(T element) Also read: Chapter 10 Integer Programming, Goal Programming, and Nonlinear Programming Write Java programs meeting the following requirements using Create a standalone java file that reads from a text file Design and develop a program with GUI in java to record student's name and exam mark. Java code error JAVA : Write an application namedTestDigitalCamera in which you instantiate at least four objects, prompt the user for the values for the camera brand and number of megapixels, and display the values. What is Java ? 2. What is Byte Code? Write an explaination of exceptions in the JAVA language based on a real world examples