Java programming with Greenfoot: adding a score counter

In this video tutorial students are shown how to add a score counter to their game; the turtle will gain points for eating lettuces etc.  This is achieved using a pre-made counter classSubclasses are revised and changing images is also explained.  The tutorial explains constructors and how these are special methods used in the world class but provide no return values.

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This resource is part of Joy of code: Java programming with Greenfoot