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J2ME: Step by step
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7. CLDC API output classes page 7 of 11

The CLDC API contains many of the commonly used output classes from J2SE. In particular, the CLDC package includes the following output classes:

  • ByteArrayOutputStream -- Implements an output stream where data is written into a bytes array.

  • DataOutput -- An interface that provides for writing primitive Java data types to a binary output stream. DataOutputStream provides an implementation of this interface.

  • DataOutputStream -- An output stream that allows an application to write primitive Java data types in a portable way.

  • OutputStream -- An abstract class that is the superclass of all classes representing an output stream of bytes.

  • OutputStreamReader -- Given characters, translates them into bytes according to a specified character encoding.

  • PrintStream -- Adds a convenient way to print a textual representation of data values.

  • Writer -- An abstract class for writing character streams.

Some of these classes may not contain all the methods supported by J2SE, such as the floating point and double precision methods.

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