Basic Grade Calculator
Jan 24, 2015
im considered quite the "javanoob" as my account name states..The assignment is to basically take a number that is entered by a user, and based off what they type in, display a corresponding grade letter. For example, if they enter a number between 90-100, they should receive a response that they received an "A". Now, this is fairly simple using an if/else statement, but my professor wanted us to implement this, using a switch case to teach us the difference.
import java.util.*;
public class SwitchTest
{
public static void main(String[] args)
{
Scanner scan = new Scanner(System.in);
System.out.println("Please enter a number to find out what letter grade you have recieved");
[code]...
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Nov 12, 2014
how to I modify my program so that it asks the user how many studens are in the class then according to the value the user inputs that is how many times the program will ask the user for a grade. Once the graded are entered it will then output the class average, minimum, and maximum. I believe that you'd use a for loop yet I am troubled.
import java.util.Scanner;
public class GetLetterGrade{
public static void main(String [] args){
Scanner reader = new Scanner(System.in);
[code]...
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Jul 15, 2014
I've been learning about Swing and I'm working on a Grade Average Calculator, but the problem is after the user types in the the grades, the average is supposed to appear, but for some reason in my code, nothing appears, I can only type in the grades. Here's my code so far :
package gradecalculator;
import java.awt.event.*;
import javax.swing.*;
import javax.swing.text.JTextComponent;
import java.awt.*;
public class Gradecalculator extends JFrame implements FocusListener {
JTextField grade1, grade2, grade3, grade4, grade5, grade6, grade7, grade8;
[Code] .....
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Jul 2, 2014
my task is to add a few functions to an example calculator. I managed to add a divide button but I simply can't figure out how to add a working Pi and reciprocal function.
package newjavaproject;
import java.awt.*;
import java.awt.event.*;
import java.applet.*;
public class CalculateurNC extends Applet {
[code]....
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Oct 20, 2014
Why I am getting errors for this program I (tried) to write. I am new to java.
import java.util.Scanner;
public class TheBarkingLot {
public static void main(String args[]) {
int n;
Scanner input = new Scanner(System.in);
System.out.println("How many large dogs are boarding today?");
[Code] ....
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Jul 8, 2014
I want a simple jsp page that performs basic operations on numbers such as addition, subtraction, multiplication, division and modulus . How to run that file?
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Mar 14, 2014
Write a java program that calculate the grade point of three subjects and their credit hours through if the grade points and the credit hours are
Subject---grade---gradepoint-----credit hours
Maths------A--------4.0---------3
English composition-----B-------3.0-----2
French-----B+ ---- 3.3----------3
Now,if the grade point is equal to 4 ,print out First class
If the grade point is equal or greater than 3.0 but less than 4,print out Second class upper
If the grade point is equal or greater than 2.0 but less than 3,print out second class lower
Use the if-else-if statement
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Sep 9, 2014
How can i write a java program that simulate a simple calculator that performs the basic arithmetic operations of JAVA. (JOption Pane and Repeat control structure)
Example : Addition, Subtraction, Multiplication, Division.
The program will prompt to input two floating point numbers and a character that represents the operations presented above. In the event that the operator input is valid, prompt the user to input the operator again.
Sample Output :
First number 7
Second number 4
Menu
<+> Addition
<-> Subtraction
<*> Multiplication
</> Division
Enter Choice: * <enter>
The answer is 28.
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Apr 28, 2014
So, I am supposed to write a program that calculates the total annual compensation for a salesman using user input for the salary, sales, and commission rate (list of 3 predefined commission rates. have to display in dollar format the amount of commission and total annual salary.
CommCalc class
public class CommCalc
{
//attributes of class, stored data
private double sales;
private double salary;
private double rate;
//and a total field? beware stale data.
//store sales argument from sales field
public void setSales(double sal)
[Code] ....
I know that i have to fix some of the semantics . I have this code that I made earlier, is there an easy way to make it into a GUI interface? Or will I have to go throughthe code lines to add the JOptionPane? And I am a little confused on how to make a list (array) for the commission rate.
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Dec 7, 2014
I have make a simple grade average project and can't figure out how to ask the user if they want to enter more grades to average and run the app again.Here's what I have so far.
import java.util.Scanner;
public class Average {
private static Scanner kb;
public static void main(String[] args) {
kb = new Scanner(System.in);
[code]...
How many grades do you wish to average?
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Mar 24, 2015
I have an assignment which i tried to solve myself but there's one part that says "This information should then be displayed with the lowest grade first" which i dont know how to do
Write a Java program that calculates and displays your grade point average (GPA) for the term. Your program should prompt the user to enter the grade and credit hours for each course. This information should then be displayed with the lowest grade first, and the GPA for the term should be calculated and displayed. A warning message should be printed if the GPA is less 2.0 and a congratulatory message if the GPA is 3.5 or above.)
here's my answer:
import java.util.*;
public class Gpa
{static Scanner stdIn= new Scanner(System.in);
public static void main (String[]args)
{
char grade=' ';
int gradevalue=0;
double gpa;
[Code] ....
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Sep 15, 2014
For this assignment you will be writing a grade book program. The program will work for one student. It will need to take as input the students name. The user will then be asked to input grades into three categories in this order:
1) homework;
2) quizzes;
3) tests.
The grades in a given category will be averaged to one number that is the average of all grades in that category. The final average will be the weighted average of each category, where homework is worth 25% quizzes are worth 25%, and test are worth 50%. Like this:
Homework Grades: 65, 70, 75, 80, 80 Homework Average: 74
Quiz Grades: 75, 80, 85, 80. Quiz Average: 80
Test Grades: 75, 80, 85, 75 Test Average: 78.75
Final Average = 0.25*HomeworkAvg + 0.25*QuizAvg + 0.50*TestAvg = 77.87
But i only have the average and i dont know how to move past that..
Heres my average code :
import java.util.Scanner;
public class Homework3 {
public static void main(String[] args) {
Scanner myScanner = new Scanner(System.in);
int gradeCount = 0;
int grades = 0;
int holder = 0;
[Code] .....
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Apr 14, 2014
The purpose of this project is to determine the letter grade of students. The program needs to accept two command line arguments:
The first being the name of a disk file that contains the names of students, and their test scores, separated by commas followed by one or more spaces. Each line in the file will contain scores for one student.
The second argument is the name of an output disk file. The program is supposed to create a new output disk file using that name.
The number of students in the input file is unknown during compile time. The name of input and output files could be anything and only known during run time. Additionally, the average scores, along with the minimum and maximum scores for each test are to be displayed in the console.
Calculation: Final Score = quiz1 * .10 + quiz2 * .10 + quiz3 * .10 + quiz4 * .10 + midi * .20 + midii * .15 + final * .25
Final Score >= 90% then letter grade is A, 80%-89% B, 70%-79% C, 60-69% D, <= 59% F
input_data.txt:
firstName lastName, 100, 90, 80, 100, 89, 99, 88
firstName lastName, 90, 90, 100, 100, 99, 100, 95
firstName lastName, 100, 90, 100, 70, 78, 78, 80
firstName lastName, 80, 90, 90, 100, 89, 99, 85
etc.
output_data.txt
firstName lastName: B
firstName lastName: A
firstName lastName: F
firstName lastName: B
firstName lastName: C
averages (to appear in console)
Q1 Q2 Q3 Q4 MidI MidII Final
Average: 82.25 80.38 82.85 83.88 81.38 84.13 78.63
Minimum: 60 54 38 62 62 60 50
Maximum: 100 90 100 100 99 100 95
Press ENTER to continue...
Here's what I have so far :
import static java.lang.System.out;
import java.util.Scanner;
import java.io.File;
import java.io.IOException;
import java.io.PrintStream;
public class LetterGrader {
[Code] .....
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Mar 27, 2015
I just have not got the chance to spend much time on it lately I know a bit but I'm not an expert or even intermediate with Java so I'm trying to make a program where the teacher enters the grade of each student and its stored in a variable the only problem is if I use a for loop the variable in which the result will be stired will be overwrite by the last repetition of the loop,I think the idea would be a nested loop but how I would go about using it in this situation,
here is my java code.
import java.util.Scanner;
class maths{
public static void main(String[] args)
[Code].....
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Aug 26, 2014
I was trying to write a program that will accept values and transform the scores to grade. Like 70 and above will be given A from 60 to 69 is B, from 50 to 59 is C, from 40 to 49 is D and below 40 is F. I have defined the variables, for the textfield, am confused on how make this hapen on just a click of the comand botton.
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Oct 22, 2014
Write a program that promts a professor to input grades for five different courses for 10 students. Prompt the professor to enter only A,B,C,D, or F for grades(A is the highest grade, F fail). use variables for student number(1 through 10) and grade numbers(1 through 5). create a menu for Search. if the user select search it will prompt a letter correspond to grade. display all student with selected grade. if the user just enter nothing, display all student with their grade sorted from highest to lowest.
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Sep 14, 2014
I am trying to create a program that allows me to enter 5 students numeric grade (0-100) to a letter grade (A, B, C, D, F) and I CANNOT use an array. When I try to run my program it says main class not found, and when I change the it from a string to a void in the main method it does not work.
Java Code:
import java.util.Scanner;
public class Week3ControlStatements2
{
public static String main(String[] args){
int numberGrade = 0;
int quotient = numberGrade / 10;
int remainder = numberGrade % 10;
[Code] ....
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Nov 1, 2014
I have been working on this letter to numeric grade convertor and my return function is not returning anything. Here is my code:
import java.util.Scanner;
public class GradeTest
{
private double numericValue = 0;
private static String grade = "";
public static void main(String[] args)
[code]....
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Nov 23, 2014
I have written a simple grade average program. This is my code:
package programs;
import java.util.Scanner;
public class GradeAverage {
public static void main(String[] args) {
Scanner input = new Scanner(System.in);
int number;
int counter = 0;
int grade;
[Code] ....
Now the program is working just fine but what I don't like about it is the fact that you have to enter the number of grades before entering the grades. What I would prefer is to write your grades, hit some button that is reserved for calculating the average and then get the output.
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Oct 8, 2014
Write a program that translates a number between 0 and 4 into the closest letter grade. For example, the number 2.8 (which might have been the average of several grades) would be converted to B. Break ties in favor of the better grade; for example 2.85 should be a B. Use a class Grade with a method getNumericGrade. why when I type .3 it tells me "Exception in thread "main" java.util.InputMismatchException" Or if there is an easier way to do this.
import java.util.Scanner;
public class Grades {
public static void main(String [] args) {
System.out.println("Enter a number between 0 and 4");
Scanner input = new Scanner(System.in);
[code]....
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Jun 13, 2014
I need creating a code that will create random addition or subtraction from 0-500 depending on their grade level. I know how to create a random for the math and subtraction. I just dont know how to get it to change depending on their grade level. Example I need it to ask their name, grade level, addition or subtraction then five addition or subtraction questions depending on what they chose.
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Nov 23, 2014
I had to make a program that allowed the user to enter the number of students and the students names and grades and then print out the name with the grade in descending order. right now I only have it where it prints the names out in descending order. how do I get it the print out with the grade?
Here is my code
import java.util.*;
public class Grades {
public static void main(String[] args) {
Scanner input = new Scanner(System.in);
System.out.print("Enter the number of students: ");
int numofstudents = input.nextInt();
[Code] .....
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Nov 29, 2014
Many classes calculate a final grade by using a weighted scoring system. For example, "Assignments" might be worth (weighted at) 40% of your final grade. To calculate the portion of the final grade contributed by the Assignments category, the teacher takes the average of all assignments in the category and multiplies it by the weight (40%). So if a student averaged 90% on all assignments, the teacher would take 40% of 90%, or 36 as the weighted average score for the assignment portion of the the final score. The teacher then calculates the weighted average score for each of the other categories (Quizzes, Midterm Exam, Final Exam, etc.), adds them all together to come up with the final score, and assigns a letter grade based on that score.
Write a Java program that allows the teacher to calculate the grade for a student.
Specification :
Prompt the user to enter the Student ID number, first name, last name, and the average score for each of the following categories:
Assignments (worth 50%)
Quizzes (worth 20%)
Midterm Exam (worth 10%)
Final Exam (worth 20%)
Calculate the weighted average score for each category and the total score for the student. Next assign a letter grade as follows:
90 - 100 = A
80 - 89 = B
70 - 79 = C
60 - 69 = D
59 and below = E
Print the results in the following format:
Name: [Last Name], [First Name]
Student ID: [Student ID]
Assignments: [weighted average]
Quizzes: [weighted average]
Midterm Exam: [weighted average]
Final Exam: [weighted average]
Total: [total score]
Final Grade: [letter grade]
Prompt the user to either enter another student or to quit. Continue the process until the user chooses to quit.
I almost done everything but I cant calculate a total score for the student or Assign a letter grade based on the score!!!!
package teacher_grade;
import java.util.Scanner;
public class teachergradeing {
public static void main (String[] args) {
//Scanner objective
[Code] ....
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Nov 1, 2014
Alright so I wrote a switch statement that decides what range to print based on the letter grade input.
import java.util.Scanner;
public class SwitchPractice
{
public static void main(String [] args)
{
Scanner scan = new Scanner(System.in);
[code]...
It works fine, but once it the user enters a letter grade and then displays the value, it does not prompt the user for another letter grade so that it can perform the output again. Also if I wanted to display an error message to the user if they enter an invalid letter grade how would I do that. I tried using a while loop and if statement in the switch statement but that didn't work.
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Mar 30, 2015
I moved some static html pages I was hosting from apache into tomcat. (no point in running two servers) This works as expected, but I'm having trouble with the authentication part. In apache the authentication was handled by htaccess. I tried various tutorials on the web about configuring basic authentication in tomcat using WEB-INF/web.xml in tomcat, but I'm not sure this approach applies to static html pages. Using basic authentication for static html in tomcat?
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May 9, 2015
My code is supposed to give the array index on the left and what is inside the array on the right, but i get nothing except the header? I am using eclipse.
public class Options{
public static void main(String args[]) {
System.out.println("Index Value");
int value[] = {1,2,3,4,5};
for(int add = 0 ; add <value.length ; add++) {
System.out.println(add + " " + value[add]);
}
}
}
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