Throughout many revisions to the Java platform, Java I/O has remained relatively unchanged. Since Java 1.0, I/O has been stream-based, which allowed for the input and output of byte data. Java 1.2 introduced the concept of Readers and Writers, introduced in JDK 1.1 allowed for easy output of more complex data types, such as Strings. Readers and Writers also introduced the ability to use various character encodings, thus allowing internationalization.
KeywordsRegular Expression Character Sequence Pattern Instance Data Buffer Boundary Matcher
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