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Greenfoot is an educational IDE that makes it easy to write interactive graphical applications. It helps to solve several problems in the teaching and learning of object-oriented programming: It provides educational tools that aid in understanding fundamental object-oriented concepts, and it is highly motivational through instant graphical feedback.doi:10.1145/1384271.1384370 dblp:conf/iticse/Kolling08 fatcat:w2rwqhdy5zbtjg7ffyxhl4uutq