I am a taking a class on beginning Java programming and I have to include a while loop.?

The while loop is supposed to take in the numbers via JOptionPane (with a WHILE loop) and summing the score. The problem is that I don't know how or where to place the WHILE loop. I have listed my program below. Please help.





import java.util.*;





import javax.swing.*;





public class Assignment3





{





public int readInput()





{





String firstNumber;





firstNumber =





JOptionPane.showInputDialog( "Enter first number" );





int number1;





number1 = Integer.parseInt( firstNumber );





String secondNumber;





secondNumber =





JOptionPane.showInputDialog( "Enter second number" );





int number2;





number2 = Integer.parseInt( secondNumber );





String thirdNumber;





thirdNumber =





JOptionPane.showInputDialog("Enter third number:");





int number3;





number3 = Integer.parseInt( thirdNumber );





String fourthNumber;





fourthNumber =





JOptionPane.showInputDialog( "Enter fourth number" );





int number4;





number4 = Integer.parseInt( fourthNumber );





String fifthNumber;





fifthNumber =





JOptionPane.showInputDialog( "Enter fifth number" );





int number5;





number5 = Integer.parseInt( fifthNumber );





int sum;





sum = number1 + number2 + number3 + number4 + number5;





}





public char gradeTest(int sum)





{





char grade;





if (sum %26gt;=90)





grade = 'A';





else if (sum %26gt;= 80)





grade = 'B';





else if (sum %26gt;= 70)





grade = 'C';





else if (sum %26gt;= 60)





grade = 'D';





else


grade = 'F';








}





public void writeOutput(int sum, char grade)





{





JOptionPane.showMessageDialog(





null, "The sum of these numbers is " + sum );





JOptionPane.showMessageDialog(





null, "Your final grade is = " + grade );





}





public static void main(String[] args)





{





Assignment3 a3 = new Assignment3();





int sum = readInput();





char grade = gradeTest(sum);





writeOutput(sum,grade);





}








}





}

I am a taking a class on beginning Java programming and I have to include a while loop.?
Hi,


Here's some example of while loop. Hope it helps. Sorry, the editor yahoo provides doesn't allow formatting.











package com.somesoft.core.utils.cui;





import java.util.InputMismatchException;


import java.util.Scanner;





/**


*


* @author SuchittoPalit(PAUL)


*/


public class ScannerCUI {





// This method returns multiple word Character input as String.


// Checks whether the String is character or number.


// A Scanner is not safe for multithreaded use without


//external synchronization.





public static synchronized String getCharacters(String prompt) {


Scanner conin = new Scanner(System.in);


String strInput = "";





while(strInput.length() == 0) {


System.out.println( prompt );


if(!conin.hasNextInt()) { // hasNextInt() blocks


strInput = conin.nextLine(); // nextLine() and


//hasNextLine() also blocks


// but blank lines are also considered as lines by them.


}


else {


strInput = conin.nextLine();


strInput ="";


System.out.println( "YOU MUST ENTER CHARACTERS, NOT NUMBERS.");


}


}





return strInput;


}











// This method returns single integer input both +ve and -ve .


// If characters, non integers are entered at the prompt the


// program


// discards the character and prompts again for integer.





public static synchronized int getInts(String prompt) {


Scanner conin = new Scanner(System.in);


String intInput = "";





while(intInput.length() == 0) {


try {


System.out.println( prompt );


if (conin.hasNext()) { // hasNext() blocks


if (conin.hasNextInt())


intInput = conin.next();


else {


intInput = conin.nextLine();


intInput = "";


}


}


} catch (InputMismatchException imme) {


imme.printStackTrace();


}





}








return Integer.parseInt(intInput);





}








// For StandAlone Testing





public static void main (String[] args) {





String answer;


int i;





// This block allows stand-alone testing of the


// getCharacters()method





do {


System.out.println("#####FROM MAIN");


answer = getCharacters("Enter Names(enter exit to end): ");





if (! answer.equals("exit")) {


System.out.println("You said: " + answer);


}





} while (! answer.equals("exit")) ;





// This block allows stand-alone testing of the getInts()ethod





do {


System.out.println("#####FROM MAIN");





i = getInts("Enter Numbers(enter 0 to end): ");





if ( i != 0){


System.out.println("You said: " + i);


}


} while (i != 0) ;


}





}
Reply:You need to put while in the function readinput()