AllOptions.java

package stackoverflow;

import java.util.*;

public class AllOptions {

    private static final List<Option> options = new ArrayList<>();
    private static int counter;

    public static void main(String... args) {

        Map<String, String> src = new HashMap<>();
        src.put("Has GPS – based Lat/Long",  "Yes, No");
        src.put("Ad Size", "320x480, 300x250");
        src.put("Integration", "Direct, Indirect");
        src.put("Vdo Ad Formats", "Max, Min, Med");
        src.put("App/Mobile Targeting", "Mobile Web, App");

        for (Map.Entry<String, String> srcEntry : src.entrySet()) {
            Option option = new Option(srcEntry.getKey());
            options.add(option);
            for (String val : srcEntry.getValue().split(",")) {
                option.possibleValues.add(val);
            }
        }

        counter = 0;
        next(new String[options.size()], 0);
    }

    private static void next(String[] buffer, int currentIndex) {
        if (currentIndex == options.size()) {
            counter++;
            System.out.println("===============================");
            System.out.println("Counter: " + counter);
            for (int i = 0; i < buffer.length; i++) {
                System.out.println(options.get(i).name + ": " + buffer[i]);
            }
        } else {
            for (String val : options.get(currentIndex).possibleValues) {
                buffer[currentIndex] = val;
                next(buffer, currentIndex + 1);
            }
        }
    }

    public static class Option {
        public final String name;
        public final List<String> possibleValues = new ArrayList<>();

        public Option(String name) {
            this.name = name;
        }
    }
}