Loading collection data...
Collections are a way for you to organize kata so that you can create your own training routines. Every collection you create is public and automatically sharable with other warriors. After you have added a few kata to a collection you and others can train on the kata contained within the collection.
Get started now by creating a new collection.
https://docs.oracle.com/javase/8/docs/api/java/lang/String.html#join-java.lang.CharSequence-java.lang.CharSequence...-
Returns a new String composed of copies of the CharSequence elements joined together with a copy of the specified delimiter.
if(statement)
return true;
else
return false;
is equivalent to: return statement
;D
it is not good practice to catch runtime exceptions