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519 total problems, and growing!
iguana (23 problems solved)
benlee90 (7 problems solved)
lognaturel (5 problems solved)
Durrah (4 problems solved)
YinkaiLu (3 problems solved)
martystepp (1 problem solved)
rfisher (1 problem solved)
Practice-It! lets you practice solving exercises from our Building Java Programs textbook and from the University of Washington's introductory programming courses. Submit your solution to our server; the system will test it and tell you whether your code solves the problem correctly. For many problems you can also view the instructor's solutions, though not for exercises or most UW CSE 142/143 section problems. UW CSE 142/143 students must attend section each week to get the solution key.
Practice-It is written by Marty Stepp, lecturer of Computer Science & Engineering at the University of Washington. Special thanks to the following UW TAs for their hard work adding lots of problems to Practice-It!
This application is inspired by similar web Java tools such as javabat by Nick Parlante, Lrn2Java by UW CSE student Elliott Miller, and JavaBall by Robbie McElrath.