Any other site like Codingbat.com for online java practice? [closed]

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is here anyone know about codingbat.com? i found it is very useful, because it offers lot of java problems to practice java online and i did most of them. Is there any other site like that, which offers an opportunity to do practicing java?

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You could also find the Black Belt Factory Exams interesting. Although it is more in direction of testing your knowledge of the language itself or special technoligies surrounding it.

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You could try Project Euler and write your solutions in Java, although those problems are more mathematics-oriented and not (directly) about learning a particular language.

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Try TopCoder. It will allow you to try your hand at solving problems in Java or C++. It's really educational.

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I used Project Euler back in the day, but this site always looked interesting: http://codegolf.com/.