Project3_Functions.java

import java.util.HashMap;

public class Project3_Functions {

    static String Generate_LSystem(int iterations, String start, HashMap<Character,String> rules){
        //TODO: Implement the L-System generator. Apply the rules to the starting string, and loop some number of times.
        String curr = start;
        for (int i = 0; i < iterations; i++) {
            System.out.println("Iteration " + (i + 1) + ": " + curr);

            StringBuilder next = new StringBuilder();
            for (int j = 0; j < curr.length(); j++) {
                char character = curr.charAt(j);
                if (rules.containsKey(character)){
                    next.append(rules.get(character));
                }else{
                    next.append(character);
                }

            }
            curr = next.toString();
        }

        return curr;
    }

}