AbsFigure easier

package task.to.soft;

import java.io.*;
import java.util.*;

abstract class FigureGeneral {
    private double width;
    private double height;
    private String name;

    FigureGeneral(double width, double height, String name){
        this.width = width;
        this.height = height;
        this.name = name;
    }

    double getWidth(){ return width; }
    double getHeight(){ return height; }
    void setWidth(double width){ this.width = width; }
    void setHeight(double height){ this.height = height; }

    String getName(){ return name; }

    abstract public double area();
}

class Rectangle extends FigureGeneral {

    Rectangle(double width, double height, String name) {
        super(width, height, "rectangle");
    }

    public double area() {
        return getWidth() * getHeight();
    }

    public String toString(){
        return getName() + " " + getHeight()+ " " + getWidth();
    }
}

class Triangle extends FigureGeneral {

    Triangle(double width, double height, String name) {
        super(width, height, "triangle");
    }

    public double area() {
        return (getWidth() * getHeight()) / 2;
    }

    public String toString(){
        return getName() + " " + getHeight()+ " " + getWidth();
    }
}


@SuppressWarnings("serial")
public class AbsFigure extends ArrayList<String> {
    // Read file //as one line
    public static String read(String fileName) {
        StringBuilder strBuider = new StringBuilder();
        try {
            BufferedReader in = new BufferedReader(new FileReader
                    (new File(fileName).getAbsoluteFile()));
            try {
                String strInput;
                while((strInput = in.readLine()) != null) {
                    strBuider.append(strInput);
                    strBuider.append("\n");
                }
            }
            finally {
                in.close();
            }
        }catch(IOException e) {
            e.printStackTrace();
        }
        return strBuider.toString();
    }

    // write  file for one call from method
    public static void write(String fileName, String text) {
        try {
            PrintWriter out = new PrintWriter
                    (new File(fileName).getAbsoluteFile());
            try {
                out.print(text);
            }finally {
                out.close();
            }
        }catch(IOException e) {
            e.printStackTrace();
        }
    }

    // read file with split at regular expression
    @SuppressWarnings("unused")
    public AbsFigure(String fileName, String splitter){
        super(Arrays.asList(read(fileName).split(splitter)));
        if(get(0).equals(""))remove(0);


        double firstPart = Double.parseDouble(get(1));
        double secondPart = Double.parseDouble(get(2));
        String name = get(0);

        FigureGeneral element;
        if((get(0)).equals("triangle"))
        {
            element = new Triangle(firstPart, secondPart, name);
        }
        else {
             element = new Rectangle(firstPart, secondPart, name);
             }
    }

    // typical read for one line
    public AbsFigure(String fileName) {
        this(fileName, "\n");
    }
    public void write(String fileName) {
        try{
            PrintWriter out = new PrintWriter
                    (new File(fileName).getAbsoluteFile());
            try {
                for(String item : this)out.println(item);
            }
            finally
            {
                out.close();
            }
        }catch(IOException e)
        {
            e.printStackTrace();
        }
    }

    /**
     * @param args
     * @throws IOException
     */
    public static void main(String[] args)  {

        String file = read("test.txt");
        write("data.txt", file);

        AbsFigure text = new AbsFigure("data.txt");
        text.write("data2.txt");

        ArrayList<String> shapes = new ArrayList<String>
        (new AbsFigure("test.txt", ", "));
        System.out.println(shapes);

    }
}