Java In A Nutshell, 5th Edition

Objects that implement this interface can serve as a source of characters and can transfer one or more at a time to a java.nio.CharBuffer . Readable was added in Java 5.0 as a simple unifying API for java.nio.CharBuffer and character input stream subclasses of java.io.Reader . The java.util.Scanner class can parse input from any Readable object. See also Appendable .

public interface Readable { // Public Instance Methods int read (java.nio.CharBuffer cb ) throws java.io.IOException; }

Implementations

java.io.Reader , java.nio.CharBuffer

Passed To

java.util.Scanner.Scanner( )