import java.io.*;
import java.util.StringTokenizer;
import CharPair;

public class ReadData {
    public static void main(String[] arguments) {
        int exitCode = 0;
        try {
            BufferedReader file = new BufferedReader(new FileReader("D:\\Spring02\\ps10\\solution\\indata.dat"));
            
            // Read in two Integers - note that your solution may have a different file layout
            String line = file.readLine();
            StringTokenizer st = new StringTokenizer(line);
            
            Integer integer1 = new Integer(st.nextToken());
            Integer integer2 = new Integer(st.nextToken());
            System.out.println("Read Integers: " + integer1 + " " + integer2);
            
            // Read in two Doubles
            line = file.readLine();
            st = new StringTokenizer(line);
            
            Double double1 = new Double(st.nextToken());
            Double double2 = new Double(st.nextToken());
            System.out.println("Read Doubles: " + double1 + " " + double2);
            
            // Read in four chars
            line = file.readLine();
            char[] chars = new char[4];
            chars[0] = line.charAt(0);
            chars[1] = line.charAt(1);
            chars[2] = line.charAt(2);
            chars[3] = line.charAt(3);
            System.out.println("Read chars: [" + chars[0] + "] ["  + chars[1] + "] ["  + chars[2] +
            "] ["  + chars[3]+"]");
            
            // Read in two strings
            String string1 = file.readLine();
            String string2 = file.readLine();
            System.out.println("Read strings: \"" + string1 + "\" \"" + string2+"\"\n");
            
            file.close();
            
            // 1.d create CharPair objects
            CharPair cp1 = new CharPair('A', 'Z');
            CharPair cp2 = new CharPair('1', '9');
            
            // 1.e output hash codes
            System.out.println("Hashcode for String:   " + string1.hashCode() + "   (value: \"" + string1 + "\")");
            System.out.println("Hashcode for Integer:  " + integer1.hashCode() + "   (value: " + integer1 + ")");
            System.out.println("Hashcode for Double:   " + double1.hashCode() + "   (value: " + double1 + ")");
            System.out.println("Hashcode for CharPair: " + cp1.hashCode() + "   (value: " + cp1 + ")\n");
            
            // 1.f equals() and toString()
            boolean cpEquals = cp1.equals(cp2);
            String cpString = cp1.toString();
            System.out.println("CharPair.equals() test: " + cpString + ".equals(\"" + cp2 + "\") returns " + cpEquals);
            
            // 1.g Raising to powers
            Double double3 = new Double(Math.pow(double1.doubleValue(), integer1.doubleValue()));
            Double double4 = new Double(Math.pow(double2.doubleValue(), integer2.doubleValue()));
            System.out.println("double1 ^ integer1 = " + double3);
            System.out.println("integer2 ^ double2 = " + double4 + "\n");
            
            // 1.h Output new Doubles to file
            BufferedWriter outFile = new BufferedWriter(new FileWriter("outdata.dat"));
            outFile.write(double3 + " " + double4);
            outFile.newLine();
            outFile.write(string1);
            outFile.newLine();
            outFile.write(new String(chars));
            outFile.newLine();
            outFile.write(cp1.toString());
            outFile.close();
            System.out.println("CP " + cp1);
            
        } catch (IOException e) {
            System.out.println("Error -- " + e.toString());
            exitCode = -1;
        }
        System.exit(exitCode);
    }
}