dictionary - My java project in Netbeans getting slow -

i making dictionary project gives english english & urdu meaning , explanation & vise versa when user search word. not using database & implemented if & else if statements @ time have code of more 4000+ lines. when compile code take more time usual project compilation. how can improve compilation time , should use database it.

thanks...

suggestion: database - in particular: mysql community edition reason: easy, , free link: http://www.mysql.com/downloads/

java jbdc connector (guides)

http://www.tutorialspoint.com/jdbc/ https://docs.oracle.com/javase/tutorial/jdbc/