concentrate the business logic into e.g. the "Model", which "lives longer" (in years) than the often changing GUI technologies When you develop a Java Swing GUI in practice, you face the following ...

10.0 20.0 30.0 40.0 50.0 60.0 70.0 80.0 90.0 100.0 Forming sparse matrix preconditioner. 10.0 20.0 30.0 40.0 50.0 60.0 70.0 80.0 90.0 100.0 ...