Something

				BufferedReader in = new BufferedReader(new InputStreamReader(System.in));

		while(true){
			try{
				System.out.print(commando);
				//System.out.flush();
				String line = in.readLine();
				if(line == "sluta") break;
				if(line == "OS") System.out.println(OS);
				if(line == "java") System.out.println(java);
			}catch(Exception e){}
		}