Convert java Map to custom key=value string

Question

I have TreeMap which I need to convert to URI-like string and then back to Map. I need to set custom delimiters.

Is there any tool (Gu

Answer 1

its not guava or apache commons, and it is a loop, but aside from instantiating the string builder, it is a one liner:

for (Entry entry : myMap.entrySet()) {
    sb.append(entry.getKey() + separator + entry.getValue() + "\n");
}