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About this Course 1,566,223 recent views This intermediate-level B1 / B2 French course, which meets the requirements of the European Framew... -
About this Course 3,782,448 recent views Welcome to English for Career Development, a course created by the University of Pennsylvania, and... -
Requirements Some knowledge of Java Description Discover how to write effective multi-threaded code in Java; learn why problems can occu...