Guten Tag,
What we need to do is to call a variable (numbersToEnterInteger) from the main method to the total_average method.
Also how do we pass the entire array to this method, rather than a single array element.
Thanks in advance. Oh and also heres the code.
/**
* random description of this program *non-existent as of yet*
* @author ()
* @version ()
*/
import java.text.DecimalFormat;
import java.math.*;
import javax.swing.*;
public class array
{ //open public class array
public static void main (String [] args)
{ //open main
String stringNumber;
int numbersToEnterInteger = 0; //initialise numbersToEnterInteger as 0
while (numbersToEnterInteger <= 0)
{ //open while loop
String numberToEnter = JOptionPane.showInputDialog(null, "How many numbers do you want to enter?");
// convert the variable numberToEnter into an integer
try
{//open try
numbersToEnterInteger = Integer.parseInt(numberToEnter);
}//close try
catch (NumberFormatException nfe)
{//open catch
numbersToEnterInteger = 0; // reinitialise for the next line
}//close catch
} //close while loop
double[] doubleArray = new double[numbersToEnterInteger];
int count = 0; //initialise count as 0
for (count = 0; count < numbersToEnterInteger; count++)
{//open for
stringNumber = JOptionPane.showInputDialog (null, "Please enter an integer between 25 and 150");
doubleArray[count]= Integer.parseInt(stringNumber);
while (doubleArray[count] < 25 || doubleArray[count] > 150)
{//open while
JOptionPane.showMessageDialog (null, "That is not a valid number.");
stringNumber = JOptionPane.showInputDialog (null, "Please enter an integer between 25 and 150");
doubleArray[count]= Integer.parseInt(stringNumber);
}//close while
}//close for
for (count=0; count < numbersToEnterInteger; count++)
{
JOptionPane.showMessageDialog (null, doubleArray[count] + " squared is " +
calcSquare(doubleArray[count]) + "\n" + doubleArray[count]
+ " square root is " +calcSquareRoot(doubleArray[count]) + "\n" +
doubleArray[count] + " cubed is " + calcCube(doubleArray[count]));
}
}//close main
double square, squareRoot, cube;
public static double calcSquare(double doubleArray)
{
DecimalFormat formatter = new DecimalFormat(",###.000");
double result = doubleArray * doubleArray;
return result;
}
public static double calcSquareRoot(double doubleArray)
{
DecimalFormat formatter = new DecimalFormat(",###.000");
double result = Math.sqrt (doubleArray);
return result;
}
public static double calcCube(double doubleArray)
{
DecimalFormat formatter = new DecimalFormat(",###.000");
double result = doubleArray * doubleArray * doubleArray;
return result;
}
public static void total_average (double doubleArray)
{
double sum = 0;
double average = 0;
int numbersToEnterInteger;
numbersToEnterInteger = array.main(numbersToEnterInteger);
for (int temp = 0; temp < doubleArray; temp++)
{
sum = sum + doubleArray;
average = (sum / numbersToEnterInteger);
}
JOptionPane.showMessageDialog (null, "Total = "+sum+"\nAverage = "+average);
}
} //close class