Question

Write a program that prompts the user to enter two characters and display the corresponding major and year status. The first character indicates the major. And the second character is a number character 1, 2, 3, 4, which indicates whether a student is a freshman, sophomore, junior, or senior. We consider only the following majors: B (or b): Biology C (or c): Computer Science I (or i): Information Technology and Systems M (or m): Marketing H (or h): Healthcare Management A (or a): Accounting Note that your program needs to let the user know if the major or year is invalid. Also, your program should be case-insensitive: your program should tell ''Marketing'' either user type 'm' or 'M'. Here are three sample runs: Sample 1: Enter two characters: i3 Information Technology and Systems Junior Sample 2: Enter two characters: B5 Biology Invalid year status Sample 3: Enter two characters: t2 Invalid major Sophomore 1 ITSS3311 Introduction to Programming Project 2 What to deliver? Your .java file including: 1. Five sample runs with the following five input: (20 points, 4 points each) (1) h1 (2) T3 (3) A2 (4) I0 (5) c4 Note that you need to run your program 5 times. Each time you run it, copy and paste the program output to the top of your program. (5 points for pasting the code in the beginning) 2. Your code with other appropriate comments. (Code: 50 points, Comments:25points)

Answer 1

/*
* The java program prompts the user to enter two characters. Then find the major and course name of the student.
* Print the result of the two characters on console. The program is tested for 5 different input values.

* Print the results on the console output.
* */

//MajorYearStatus.java
import java.util.Scanner;
public class MajorYearStatus{
   public static void main(String[] args)
   {
       //Create an instance of Scanner class to read input from keyboard
       Scanner console = new Scanner(System.in);

       //Prompt to enter two characters
       System.out.print("Enter two characters: ");
       String studentStatus = console.nextLine();
      
       //checking if lenght of the user input is less than 2
       //Then print the input is invalid
       if(studentStatus.length()<2)
           System.out.println("Invalid input");
       else
       {
           //Convert the first character in studentStatus string to upper case
           //and assign the result to the major character
           char major = Character.toUpperCase(studentStatus.charAt(0));
           //Get the second character and assign the result to the year character
           char year = studentStatus.charAt(1);
          
           //calling getMajor method
           String courseName = getMajor(major);
           //calling getYear method
           String yearName = getYear(year);
           //Print course name and year name values on cosnole
           System.out.printf("%s %s%n", courseName, yearName);
       }
   }
   /*The method getMajor that takes a major as character as input argument
   * and then matches the corresponding charactor in switch case .Then return the course name
   * of student*/
   public static String getMajor(char major)
   {
       String courseName="";
       switch(major)
       {
       case 'A':
           courseName="Accounting";
           break;
       case 'B':
           courseName="Biology";
           break;
       case 'C':
           courseName = "Computer Science";
           break;
       case 'H':
           courseName="Healthcare Management";
           break;  
       case 'I':
           courseName = "Information Technology and Systems";
           break;
       case 'M':
           courseName = "Mathematics";
           break;
       default:
           courseName ="Invalid major";
       }
       return courseName;
   } //end of the method , getMajor

   /*The method getYear that takes a character year as input argument
   * and then matches the corresponding year .Then return the year name
   * of student*/
   public static String getYear(char year)
   {
       String yearName;
       switch(year)
       {
       case '1':
           yearName = "Freshman";
           break;
       case '2':
           yearName = "Sophmore";
           break;
       case '3':
           yearName = "Junior";
           break;
       case '4':
           yearName = "Senior";
           break;
       default:
           yearName ="Invalid year";
       }
       return yearName;
   } //end of the method,getYear
} //end of the class

-------------------------------------

Sample Output:

Sample Run1:
Enter two characters: h1
Healthcare Management Freshman

Sample Run2:
Enter two characters: T3
Invalid major Junior

Sample Run3:
Enter two characters: A2
Accounting Sophmore

Sample Run4:
Enter two characters: I0
Information Technology and Systems Invalid year

Sample Run5:
Enter two characters: c4
Computer Science Senior