NoFuck

package com.genuineminecraft.bf;

public class Test {

    public static void main(String[] args) {
        String test = "++++++++[>++++[>++>+++>+++>+<<<<-]>+>+>->>+[<]<-]>>.>---.+++++++..+++.>>.<-.<.+++.------.--------.>>+.>++.";
        System.out.println("[INFO] " + test);
        String min = minify(test);
        System.out.println("[INFO] " + min);
        String mag = magnify(min);
        System.out.println("[INFO] " + mag);
        System.out.println(test.equals(mag) ? "[SUCCESS] Test Passed" : "[ERROR] Test Failed");
    }

    public static String minify(String in) {
        String out = "";
        int place = 0;
        while (place < in.length()) {
            char ch = in.charAt(place);
            int count = 1;
            while (++place < in.length() && in.charAt(place) == ch)
                count++;
            out += (count > 1 ? "" + count : "") + ch;
        }
        return out.trim();
    }

    public static String magnify(String in) {
        String out = "";
        String[] words = in.split("[0-9]+");
        String[] numbers = in.split("[^0-9]+");
        for (int sub = 1; sub < words.length; sub++) {
            for (int count = 1; count < Integer.valueOf(numbers[sub - 1], 10); count++)
                out += words[sub].charAt(0);
            out += words[sub];
        }
        return out.trim();
    }
}