Andreas Wederbrand

Software Architect

Java developer experienced in architectural work, databases including MySQL, Oracle, Sybase, and scripting with Perl, bash, Ruby.

https://stackoverflow.com/users/296452/andreas-wederbrand

Programming How to Count Char Occurrences in Java String One-Liner

Idiomatic Java ways to count specific characters like dots in strings without loops: streams, replace tricks, regex. Efficient one-liners for 'a.b.c.d' yielding 3, with performance tips and best practices for Java strings.

#java
#java-8
#performance
#regex
#strings

4 answers• 1 view

02/19/2026, 04:42 PM