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java代码块示例。包括并发，多线程，集合，IO，NIO等。

When executing Java code, different errors can occur: coding errors made by the programmer, errors due to wrong input, The try statement allows you to define a block of code to be tested for errors while it is being executed. The catch statement allows you to define a block of code to be executed, if an error occurs in the try block.

In Java, the finally block is always executed no matter whether there is an exception or not. The finally block is optional. And, for each try block, there can be only one finally block.

The break statement in Java terminates the loop immediately, and the control of the program moves to the next statement following the loop.

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This is moonbank official api docs