Combinations Of String While Maintaining Order Of Words

Question

Given a string:

String words = \"Mary had a little lamb\";

how to obtain a combination of sentence fragments while the order of occurrence of w

Answer 1

You have 4 word delimiters (spaces) here. Every space may be replaced (or not) by sentence delimiter. So there are 16 = 2^4 cases, which correspond to binary numbers 0000...1111.