public interface ObjectInput extends DataInput, AutoCloseable
ObjectInput extends the DataInput interface to include the reading of objects. DataInput includes methods for the input of primitive types, ObjectInput extends that interface to include objects, arrays, and Strings.
InputStream
, ObjectOutputStream
, ObjectInputStream
Object readObject() throws ClassNotFoundException, IOException
Read and return an object. The class that implements this interface defines where the object is "read" from.
ClassNotFoundException
- If the class of a serialized object cannot be found.IOException
- If any of the usual Input/Output related exceptions occur.int read() throws IOException
Reads a byte of data. This method will block if no input is available.
IOException
- If an I/O error has occurred.int read(byte[] b) throws IOException
Reads into an array of bytes. This method will block until some input is available.
b
- the buffer into which the data is readIOException
- If an I/O error has occurred.int read(byte[] b, int off, int len) throws IOException
Reads into an array of bytes. This method will block until some input is available.
b
- the buffer into which the data is readoff
- the start offset of the datalen
- the maximum number of bytes readIOException
- If an I/O error has occurred.long skip(long n) throws IOException
Skips n bytes of input.
n
- the number of bytes to be skippedIOException
- If an I/O error has occurred.int available() throws IOException
Returns the number of bytes that can be read without blocking.
IOException
- If an I/O error has occurred.void close() throws IOException
Closes the input stream. Must be called to release any resources associated with the stream.
close
in interface AutoCloseable
IOException
- If an I/O error has occurred.
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