Java Programming help using scanner, if/else statements, and parameters.

Anonymous
timer Asked: Feb 2nd, 2016

Question description

I'm having problems with my homework: this is the specification (I have provided screenshots). I get a compiler error for the last line. Any help is appreciated. I'm posting what I have so far


import java.util.*;

public class Gradanator {

   final int maximum = 100; // sets the cap to 100

   

   public static void main(String[] args) {

      Scanner console = new Scanner(System.in);

      intro();

      double midterm = test("Midterm", console, 100);

      double Final = test("Final", console, 100);

      double homework = homework_score(console);

      grade_report(midterm, Final, homework);

   }

   

   // this method introduces the program to the user

   public static void intro() {

      System.out.println("This program reads exam/homework scores");

      System.out.println("and reports your overall course grade.");

      System.out.println();

   }

   

   // this method prompts the user to input details about the midterm or the final

   // and calculates the scores

   public static double test(String test,Scanner console, int maximum) {

      System.out.print(test + ":" );

      System.out.print("Weight(0-100)? ");

      int weight = console.nextInt();

      System.out.print("Score earned? ");

      int score = console.nextInt();

      System.out.print("Were scores shifted (1 = yes, 2 = no)? ");

      int shift = console.nextInt();

      if (shift == 1) {

         System.out.print("Shift amount? ");

         int shift_amount = console.nextInt();

         score += shift_amount;

      } else {

         score = Math.min(score, maximum);

      }

      System.out.println("Total points = " + score + "/" + maximum);

      double weighted = score_weight(score, weight, maximum);

      System.out.print("Weighted score = ", weighted, weight);

      return weighted;

      System.out.println();

      return score;

   }

   

   // this method prompts the user to input information about their homework

   // and calculates the score

   public static double homework_score(Scanner console) {

      final int maximum_section_points = 30;

      final int points_every_section = 5;

      Sytem.out.println("Homework:");

      System.out.print("Weight (0-100)? ");

      int weight = console.nextInt();

      System.out.print("Number of assignments? ");

      int assignment_number = console.nextInt();

      int homework_max = 0;

      int homework_score = 0;

      for (int i = 0; i < assignment_number; i++) {

         System.out.print("Assignment" + (i + 1) + "score and max? ");

         int score = console.nextInt();

         int maximum_score = console.nextInt();

         homework_max += maximum_score;

         homework_score += score;

      }

      Sytem.out.print("How many sections did you attend? ");

      int section = console.nextInt();

      int section_points = Math.min((section * points_every_section), maximum_section_points);

      System.out.println("Section points = " + section_points + "/" + maximum_section_points);

      homework_score += section_points;

      homework_max += maximum_section_points;

     

      System.out.println("Total points: " + homework_Score + "/" + homework_max);

      double weighted = score_weight(homework_score, weight, homework_max);

      System.out.print("Weighted score = ", weighted, homework_max);

      return weighted;

   }

   // this method will calculate the percentage that the user got

   public static void grade_report(double midterm, double Final, double homework) {

      double percent = midterm + Final;

      System.out.println("Overall percentage = ", percent);

      double minimum_grade;

      String confirmation;

      if (percent >= 85) {

         minimum_grade = 3.0;

         System.out.println("You did great!");

      } else if (percent >= 75) {

         minimum_grade = 2.0;

         System.out.println("You were average.");

      } else if (percent >= 60) {

         minimum_grade = 0.7;

         System.out.println("You did enouugh to pass.");

      } else {

         minimum_grade = 0.0;

         System.out.println("Do better next time. Fighting!");

      }      

      System.out.print("Your grade will be at least: ", minimum_grade);

      System.out.println(confirmation);

   }

   

   public static double score_weight(int score, int weight, final int maximum_score) {

      return ((double) score / double maximum_score) * double weight;

   }

}


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