Question

I know its very easy to split data in strings, but still i want guide to concate string,
my data is in the format. In my string the data is in the above format

104
inNetStandardGuest
windowsGuest
uestToolsTooOld


121
slesGuest
guestToolsTooOld
20569355609

Expected Output:

104,inNetStandardGuest,windowsGuest,uestToolsTooOld
121,slesGuest,guestToolsTooOld,20569355609

Answer 1

With Guava’s Splitter and Joiner:

final Iterable<String> lines = Splitter.on("\n\n\n").split(input);
for (final String line : lines) {
  final Iterable<String> fields = Splitter.on("\n").split(line);
  final String joined = Joiner.on(",").join(fields);
}