Prerequisites to the third lecture is reading the chapters 4 to 6 of “Karel the Robot learns Java”. They provide an introduction to top-down design and algorithms.
Prerequisites to the fouth lecture is reading the chapters 1 and 2 of “Art and Science of Java“. The lecture provides a brief history of computer science and describes how the lessons learned from Karel can be translated to Java.
Prerequisites to the fifth lecture is reading chapter 3 of “Art and Science of Java“. The lecture provides an introduction into variables an data types.
Prerequisites to the sixth lecture is reading chapter 4 of “Art and Science of Java“. The lecture further introduction into using variables, their scope and how to combine them, as well as constants and last but not least combining boolean structures.
Code for these lecture as well as the used worlds are available on github.