As a Java programmer, if you want to get a satisfactory offer, you must be well prepared. As we all know, algorithms can be said to be a must-have question for interviewing Java programmers in big factories. A good algorithm can improve the performance by ten thousand times, and can process tens of millions of data in milliseconds. Therefore, the importance of algorithms is self-evident. In order to improve everyone's confidence in the interview, this article sorts out 40 classic algorithm questions for Java programmers, and attaches the answers. Let's take a look!
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