Title: Key Concept - Standard streams
Course: CPS 189: Java Certification - Review, Practice & Prepare (Development) > Section: Learning Modules

Standard streams are provided by the operating system and default to reading input from the keyboard and writing output to the console.

There are three standard streams, each of which is a byte stream:

- Standard Input, available through object System.in.
- Standard Output, available through object System.out.
- Standard Error, available through object System.err.

For additional study, view resources under:

- Level 2 Study Materials: Unit 2
- Level 2 Study Materials: Unit 3