src/main/java/com/webcheckers/appl/PlayerLobby.java
private boolean isLoggedIn(String username){
        // If the player is already in the player lobby
        if(players.containsKey(username)){
            return true;
        }
        return false;
    }
/**
     * Checks if a certain user is logged in
     * @param username the username to check
     * @return a boolean representing whether the user is logged in
     */
Checks if a certain user is logged in
@param username the username to check
@return a boolean representing whether the user is logged in
Checks if a certain user is logged in @param username the username to check @return a boolean representing whether the user is logged in
private boolean isLoggedIn(String username){
        if(players.containsKey(username)){
            return true;
        }
        return false;
    }
private boolean isLoggedIn ( String username ) { if ( players . containsKey ( username ) ) { return true ; } return false ; }
Checks if a certain user is logged in
 @param username the username to check
 @return a boolean representing whether the user is logged in
Checks if a certain user is logged in @param username the username to check @return a boolean representing whether the user is logged in
// If the player is already in the player lobby
