You can test your Java skills with W3Schools' 练习.
We have gathered a variety of Java exercises (with answers) for each Java Chapter.
Try to solve an exercise by editing some code, or show the answer to see what you've done wrong.
每答对一题， each correct answer. Your score and total score will always be displayed.
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If you don't know Java, we suggest that you read our Java Tutorial from scratch.
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