Write an application that displays a series of at least eight student id numbers (that you have stored in an array) and asks the user to enter a test letter grade for the student. create an exception class named gradeexception that contains a static public array of valid grade letters (a, b, c, d, f, and i) that you can use to determine whether a grade entered from the application is valid. in your application, throw a gradeexception if the user does not enter a valid letter grade. catch the gradeexception, and then display the message invalid grade. in addition, store an i (for incomplete) for any student for whom an exception is caught. at the end of the application, display all the student ids and grades.

Which process would best represent the opposite of exhausting air from a system?

Write a pseudocode solution for each of these problems. 1. design a while loop that lets that user enter a number. the number should be multiplied by 10, and the result stored in a variable named product. the loop should iterate as long as product contains a value less than 100. 2. design a do-while loop that asks the user to enter two numbers. the numbers should be added and the sum displayed. the loop should ask the user whether he or she wishes to perform the operation again. if so, the loop should repeat; otherwise it should terminate. 3. design a for loop that displays the following set of numbers: 0, 10, 20, 30, 40, 50 100. 4. design a nested loop that displays 10 rows of # characters. there should be 15 # characters in each row. 5. convert this for loop to a while loop. declare integer count for count = 1 to 50 display count end for 6. find the error in the following pseudocode. declare boolean finished = false declare integer value, cube while not finished display “enter a value to be cubed.” input value; set cube = value ^ 3 display value, “ cubed is “, cube end while

Does read theory have answers keys ?