What Is Reader and Writer in Java

Java readers and writers are character-based streams. A reader is used when we want to read character-based data from a data source. A writer is used when we want to write character-based data.

What is the use of reader and writer class in java?

Reader ) and Java Writer class ( java. io. Writer ) in Java IO work much like the InputStream and OutputStream with the exception that Reader and Writer are character based. They are intended for reading and writing text.

What does writer do in java?

Writer ) is the base class for all Writer subclasses in the Java IO API. A Writer is like an OutputStream except that it is character based rather than byte based. In other words, a Writer is intended for writing text, whereas an OutputStream is intended for writing raw bytes.