A software where two clients can play TicTacToe game and server will response their victory or defeat.
In Ubuntu Environment firstly open terminals,one for server and other two terminals for two clients as player of this game . But Firstly, You should run Server file in java. Then U should run client file in java. Now a new window will open where tic tac toe Gui will be present. Now You can play game by clicking any location/cell.
Hurrah your are good to go!