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Code COMP90015

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LatSwizzle
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Last updated: November 1, 2023
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First submittedNovember 1, 2023
Times taken4
Average score31.9%
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Hint
Answer
Create registry
Registry registry = LocateRegistry.createRegistry(port);
Get registry
Registry registry = LocateRegistry.getRegistry(host, port);
Bind RMI object to registry
Registry.bind(“name”, object);
Look up remote object on registry
ObjectClass object = (ObjectClass) registry.lookup(“name”);
RMI interface
public interface InterfaceClass extends Remote{
 
void method() throws RemoteException;
 
}end
Implementing interface
class ObjectClass implements InterfaceClass {
 
@ Override
 
public void method() throws RemoteExceptionstartend
 
}end
Handle an error
Try {
 
ObjectClass.method();
 
} catch (RemoteException e){
 
Handle();
 
}end
Open server socket
ServerSocket server;
 
DataOutputStream os;
 
DataInputStream is;
 
server = new ServerSocket(port);
Wait for client request
Socket client = server.accept();
Create IO streams for communication
is = new DataInputStream(client.getInputStream());
 
os = new DataOutputStream(client.getOutputStream());
Perform communication
String line = is.readLine();
 
os.writeBytes("message");
Create socket object for client
client = new Socket( server, port);
Close socket
client.close();
 
is.close();
 
os.close();
Handle socket errors
catch(UnknownHostException e){
 
handle();
 
}end
 
catch(IOException e) {
 
handle();
 
}end
Extending thread class (MyThread, runThread())
class MyThread extends Thread{
 
public void run(){
 
runThread();
 
}end
 
}end
Implementing Runnable (MyThread, runThread())
class MyThread implements Runnable{
 
public void run(){
 
runThread();
 
}end
 
}end
Instantiate and start a thread (one line)
new MyThread().start();
Set Priority of a thread
ThreadName.setPriority(priority)
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