public abstract class InputStream
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This abstract class is the superclass of all classes representing an input stream of bytes.

Applications that need to define a subclass of InputStream must always provide a method that returns the next byte of input.

implements Closeable

See also:
java.io.BufferedInputStream, java.io.ByteArrayInputStream, java.io.DataInputStream, java.io.FilterInputStream, java.io.InputStream.read(), java.io.OutputStream, java.io.PushbackInputStream

Since:  JDK1.0