//Copy into the class named Element

import java.io.BufferedReader;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.IOException;
import java.util.ArrayList;

public class Element 
{
	public int atomicNumber;
	public String name;
	public String symbol;
	public int group;
	public int periodicNumber;
	public String block;
	public String stateAtSTP;
	public String occurrence;
	public String description;
	
    public Element (String an, String n, String s, String g, String pn, String b, String sstp, String o, String d)
    {
    	atomicNumber = Integer.parseInt(an);
    	name = n;
    	symbol = s;
    	group = Integer.parseInt(g);
    	periodicNumber = Integer.parseInt(pn);
    	block = b;
    	stateAtSTP = sstp;
    	occurrence = o;
    	description = d;
    }
    
    public static Element[] readElementsFromFile() throws IOException
    { 
    	//1-OPEN FILE
        String fileName = "P06elements.txt";     
        BufferedReader in = new BufferedReader(new FileReader(fileName));
        
        //2-READ FILE
        String line = in.readLine();  //burn the first line (containing headers)
        line = in.readLine();
        ArrayList<Element> al = new ArrayList<Element>();
        
        while(line != null)
        {
           String[] e = line.split(",");	
           Element tmp = new Element(e[0],e[1],e[2],e[3],e[4],e[5],e[6],e[7],e[8]);
           al.add(tmp);
           line = in.readLine();
        }   	
        
        //3-CLOSE FILE
        in.close();

        //Convert ArrayList to array
        Element[] el = new Element[al.size()];
        for (int i=0; i<el.length; i++)
        {
        	el[i] = al.get(i);
        }
        
        return el;
    }
}