Java Streams Basics: The Useful peek Method #java #shorts #coding #airhacks

Debugging with peek:

#airhacks

[IstvanOosterlinck]

Peek is nog guaranteed to execute. It can be optimized away in some scenarios

[datenschauer]

This is really cool for debugging. Because sometimes you just want to check if your long chain of steaming methods are doing the right thing! Nice! So you could also use a logger as consumer, right?

[foobartuba]

I've been using Streams almost since the beginning but never came across peek. I can imagine a lot of use cases. It's similar to Unix tee command.

[akojic]

On mobile I can't see the result of console(terminal)