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 */
package arrayexample;

import java.io.File;
import java.io.FileNotFoundException;
import java.util.Scanner;

/**
 *
 * @author jcmtiernan
 */
public class ArrayExample
{

    /**
     * @param args the command line arguments
     */
    public static void main(String[] args)
    {
        final int NAMES = 90;
        final int GRADES = 4;
        double[][] grades = new double[NAMES][GRADES];
        String[] names = new String[NAMES];
        
        // typically read this from a file
        
        File inFile = new File("Grades.txt");
        File inName = new File("Names.txt");
        Scanner grFile;
        Scanner nmFile;
        
        try
        {
            grFile = new Scanner(inFile);
            nmFile = new Scanner(inName);
        }
        catch (FileNotFoundException e)
        {
            grFile = new Scanner(System.in);
            nmFile = new Scanner(System.in);            
        }
        
        int nmCount = 0;  // number of names counted from file
        while (nmFile.hasNext() && (nmCount < NAMES) )
        {
            names[nmCount++] = nmFile.nextLine();
        }
        
        System.out.println("Read in names");
        for( int i=0; i < nmCount; i++)
        {
            System.out.println(names[i]);
        }
        
        for (int row = 0; row < nmCount; row++)
        {
            for (int col = 0; col < GRADES; col++)
            {
                grades[row][col] = grFile.nextDouble();
            }
        }
     
        System.out.println( "Grades: ");
        for (int row = 0; row < nmCount; row++)
        {
            printArray(grades[row], GRADES);
            /*
            for (int col = 0; col < GRADES; col++)
            {
                System.out.println(grades[row][col] );
            }
                    */
            System.out.println();
        }    
        
        
        
    }
    
    
public static void printArray(double[] vals, int max)
{
            for (int col = 0; col < max; col++)
            {
                System.out.printf("%8.2f ", vals[col] );
            }
}
    
}