Hey there everyone. I David. I am have a problem with the end of line keystroke ( Ctrl+Z ) in the Netbeans and JBuilder Compiler, when I press the buttons simultaneously nothing happens but when I do it in Eclipse it works fine. Here is a look at the code.Help is gladly appreciated.
/*
* Gradebook.java
*
* Created on July 5, 2009, 10:41 AM
*
* To change this template, choose Tools | Template Manager
* and open the template in the editor.
*/
/**
*
* @author David
*/
import java.util.Scanner;
public class Gradebook
{
private String courseName;
private int gradeTotal = 0;
private int gradeCounter = 0;
private int aCount = 0;
private int bCount = 0;
private int cCount = 0;
private int dCount = 0;
private int fCount = 0;
//class constructor initializing variables
public Gradebook ( String name )
{
courseName = name;
}//end of contructor
//assigns value to course name
public void setCourseName ( String name )
{
courseName = name;
}//end of method
//retrieves and displays course name
public String getCourseName ()
{
return courseName;
}//end of method
//Determines class average
public void inputGrades ()
{
//create scanner to obtain input from user
Scanner input = new Scanner ( System.in );
int grade; //initializes and declare variable
System.out.printf ( "%s\n%s\n",
"Enter grades in the range 0 - 100.",
"To exit entry type the end-of-line input (Ctrl + z),then press enter ");
//loops while condition is not met
while ( input.hasNext() )
{
grade = input.nextInt();
gradeTotal = gradeTotal + grade;
++gradeCounter;
incrementLetterGradeCounter ( grade );
}
}
public void incrementLetterGradeCounter ( int score )
{
switch ( score / 10 )
{
case 9:
case 10:
++aCount;
break;
case 8:
++bCount;
break;
case 7:
++cCount;
break;
case 6:
++dCount;
break;
default:
++fCount;
break;
}
}
//displays a welcome message to the user
public void displayMessage ()
{
System.out.printf ( "Welcome to the gradebook for:\n%s!\n" , getCourseName () );
}//end of method displaymessage
//Displays report card for class
public void gradeReport ()
{
double average = 0;
System.out.print ( "Grade Report:" );
if ( gradeCounter != 0 )
{
average = ( double ) gradeTotal / gradeCounter; //Calculates class average
System.out.printf ( "The total of the %d grades entered is:%d\n", gradeCounter, gradeTotal );
System.out.printf ( "\nThe Class average is:%.2f", average );
System.out.printf ( "%s\n\n%s%d\n%s%d\n%s%d\ns%d\ns%d\n",
"The number of students who received each grade",
"A: ",aCount,
"B: ",bCount,
"C: ",cCount,
"D: ",dCount,
"F: ",fCount );
}
else
System.out.print ( "No grades were entered" );
}
}
/*//Checks if any grades were entered
*//*
* GradeTest.java
*
* Created on July 5, 2009, 11:08 AM
*
* To change this template, choose Tools | Template Manager
* and open the template in the editor.
*/
/**
*
* @author David
*/
public class GradeTest
{
public static void main ( String args [] )
{
//create an object of the class gradebook and assign it to mygradebook
Gradebook myGradeBook = new Gradebook ( "Computer Science" );
myGradeBook.displayMessage();
myGradeBook.inputGrades();
myGradeBook.gradeReport();
}
}