/*
 * Read a text file into an array of Teacher objects
 */
package readingfromatextfile;

/**
 *
 * @author seilertsen
 */
public class ReadingUI {
    
    public static void main(String[]args) {
        
        ReadingManager rm = new ReadingManager();
        String allTeachers = "";
        System.out.println("Teachers Array");
        System.out.println("======================================");
        allTeachers = rm.displayAll();
        System.out.println(allTeachers);
        System.out.println("hello main method");
    } // end main method
    
} // end class

============================================================================================

/*
 * Using the method "split" to break a line into tokens
 * The use of split places each token in the line into an indexed String array
 * Use parse to save each token into its correct datatype.
 * Create a singly stand-alone object - then copy the single object into an
 * array of objects
 *
 */
package readingfromatextfile;

import java.io.File;
import java.io.FileNotFoundException;
import java.util.Scanner;
import java.util.logging.Level;
import java.util.logging.Logger;

/**
 *
 * @author seilertsen
 */
public class ReadingManager {
    
    // global variables
    private Teachers[] tArr = new Teachers[50];
    private String[] tokens = null;
    private int size = 0;
    private boolean certified = false;
    
    // Constructor method
    public ReadingManager(){
        
        try {
            // Link to the text file
            Scanner scFile = new Scanner(new File("myTextFile.txt"));
            System.out.println("File found.\n");
            
            // name, year, certified, donation;
            while(scFile.hasNextLine()){
                // Read in the whole line before breaking it into tokens
                String line = scFile.nextLine();
                
                // Using the delimiter "#" the line is broken up into tokens
                // Each token is automatically placed into the next index of
                // the String array
                tokens = line.split("#");
                String fullName = tokens[0];
                String yearSt = tokens[1];
                
                // The Strings need to be parsed to their correct datatype
                int year = Integer.parseInt(yearSt);
                
                // There is no parse method for boolean
                if(tokens[2].equals("true"))
                    certified = true;
                else
                    certified = false;
                
                String donationSt = tokens[3];
                double donation = Double.parseDouble(donationSt);
                
                // Create the single stand alone object
                Teachers t = new Teachers(fullName, year, certified, donation);
                
                // Copy the stand along object into the next index of the array
                tArr[size] = t;
                
                // increase the counter
                size++;
                
            } // end while
        } catch (FileNotFoundException ex) {
            Logger.getLogger(ReadingManager.class.getName()).log(Level.SEVERE, null, ex);
            System.out.println("File not found");
        }
            
    } // end constructor
    
    public String displayAll(){
        
        // The format of displayAll is determined by the toString method
        // in the Teacher class
        
        String all = "";
        
        for(int x = 0; x < size; x++) {
            all = all + tArr[x];
        }
        
        return all;
    } // end displayAll
    
} // end Teacher class


==============================================================================================================

/*
 * Template class for Teacher objects
 * The format of the output is controlled by the structore of the toString 
 * method.
 */
package readingfromatextfile;

/**
 *
 * @author seilertsen
 */
public class Teachers {
    
    String name = null;
    int year = 0;
    boolean certified = false;
    double donation = 0.0;
    
    public Teachers(String n, int y, boolean c, double d){
        name = n;
        year = y;
        certified = c;
        donation = d;
    }
    
    @Override
    public String toString(){
        return donation + "\t" + name + "\t" + year + "\t" + certified + "\n";
        
    } // toString
    
} // end class


==============================================================================================

TEXT File

Steve Eilertsen#1956#false#23.4
Andy Alpha#1987#true#45.7
Betta Bravo#1999#false#12.45
Chunky Charlie#2004#true#56.87

===============================================================================================

OUTPUT

run:
File found.

Teachers Array
======================================
23.4	Steve Eilertsen	1956	false
45.7	Andy Alpha	1987	true
12.45	Betta Bravo	1999	false
56.87	Chunky Charlie	2004	true

hello main method
BUILD SUCCESSFUL (total time: 0 seconds)

================================================================================================