Becoming popular in the early 1990s and the norm today, object-oriented programming (OOP ... shape from an arrow to a line depending on the program mode. The routine to move the cursor on screen ...

and then we can think about them in the context of the larger program, while keeping the two separate. In object-oriented programming, the functions that belong to an object are called methods.

An introduction to the principles of object-oriented programming. It covers both object-oriented programming techniques and their application to program design including classes, objects and objects ...