Socket Programming Question:

How do I create an output stream?

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Answer:

On the client side, you can create an output stream to send information to the server socket using the class PrintStream or DataOutputStream of java.io:

PrintStream output;
try {
output = new PrintStream(MyClient.getOutputStream());
}
catch (IOException e) {
System.out.println(e);
}

The class PrintStream has methods for displaying textual representation of Java primitive data types. Its Write and println methods are important here. Also, you may want to use the DataOutputStream:

DataOutputStream output;
try {
output = new DataOutputStream(MyClient.getOutputStream());
}
catch (IOException e) {
System.out.println(e);
}

The class DataOutputStream allows you to write Java primitive data types; many of its methods write a single Java primitive type to the output stream. The method writeBytes is a useful one.

On the server side, you can use the class PrintStream to send information to the client.

PrintStream output;
try {
output = new PrintStream(serviceSocket.getOutputStream());
}
catch (IOException e) {
System.out.println(e);
}

Note: You can use the class DataOutputStream as mentioned above.

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