added in API level 1

ObjectOutput

public interface ObjectOutput
implements DataOutput, AutoCloseable

java.io.ObjectOutput


ObjectOutput extends the DataOutput interface to include writing of objects. DataOutput includes methods for output of primitive types, ObjectOutput extends that interface to include objects, arrays, and Strings.

Summary

Public methods

abstract void close()

Closes the stream.

abstract void flush()

Flushes the stream.

abstract void write(byte[] b)

Writes an array of bytes.

abstract void write(byte[] b, int off, int len)

Writes a sub array of bytes.

abstract void write(int b)

Writes a byte.

abstract void writeObject(Object obj)

Write an object to the underlying storage or stream.

Inherited methods

Public methods

close

added in API level 1
public abstract void close ()

Closes the stream. This method must be called to release any resources associated with the stream.

Throws
IOException If an I/O error has occurred.

flush

added in API level 1
public abstract void flush ()

Flushes the stream. This will write any buffered output bytes.

Throws
IOException If an I/O error has occurred.

write

added in API level 1
public abstract void write (byte[] b)

Writes an array of bytes. This method will block until the bytes are actually written.

Parameters
b byte: the data to be written

Throws
IOException If an I/O error has occurred.

write

added in API level 1
public abstract void write (byte[] b, 
                int off, 
                int len)

Writes a sub array of bytes.

Parameters
b byte: the data to be written

off int: the start offset in the data

len int: the number of bytes that are written

Throws
IOException If an I/O error has occurred.

write

added in API level 1
public abstract void write (int b)

Writes a byte. This method will block until the byte is actually written.

Parameters
b int: the byte

Throws
IOException If an I/O error has occurred.

writeObject

added in API level 1
public abstract void writeObject (Object obj)

Write an object to the underlying storage or stream. The class that implements this interface defines how the object is written.

Parameters
obj Object: the object to be written

Throws
IOException Any of the usual Input/Output related exceptions.