/**
 * Author: Josiah Yoder et al.
 * Class: SE1011-011
 * Date: 11/7/13 8:43 AM
 * Lesson: Week 7, Day 1
 */

/*
 * WARNING
 *
 * THE ENCRYPTION ALGORITHM IMPLIED BY THIS EXAMPLE
 * IS INCREDIBLY EASY TO BREAK.
 *
 * DO NOT USE IT WITH REAL DATA.
 */


public class RandomFun011_9_3 {
    int[] randomValues;

    public RandomFun011_9_3() {
        randomValues = generateLookupTable();
    }

    public int[] generateLookupTable() {
        // TODO: implement this method!
        return null;
    }

    public String askForData() {
        // TODO: implement this method!
        return null;
    }

    // Will use the instance variable randomValues
    public int[] encryptData(String input) {
        // TODO: implement this method!
        return null;
    }

    public static void main() {
        // Top-down approach:
        // Write method descriptions first, then implementations.
        //
        // This is the class version.
        //
        // See RandomStatic011_9_3 for an inferior top-level implementation
        // that doesn't take advantage of OO concepts.

        RandomFun011_9_3 fun = new RandomFun011_9_3();
        String input = fun.askForData();
        int[] encryptedResult = fun.encryptData(input);

        // We can eliminate an argument because it is an instance variable.
        // (The eliminated argument is randomValues).
        //
        // We could make "input" an instance variable, too,
        // but it is only needed in this method, so it is clearer
        // to just pass it from one method to the next,
        // making it clear where the data comes from and where it goes.
        // That is, we are making the flow of data clear.
        //
        // This way, it is easy to encrypt some more input if we
        // want to, like this:

        String moreInput = fun.askForData();
        int[] moreEyncryptedData = fun.encryptData(moreInput);
    }

}