NIO
Input/Output Streams in Java
Input/Output Streams in Java What is the difference between IO and NIO? What NIO features do you know? What are “channels”? What types of input/output streams exist? Name the main classes of input/output streams. In which packages are the classes for input/output streams located? What subclasses of the InputStream class do you know, and what are they for? What is PushbackInputStream used for? What is SequenceInputStream used for? Which class allows reading data from an input byte stream in the format of primitive data types?