Our detector needs to maintain state only during the byte code scanning phase, because we're looking for a method-level problem.
我们的检测器只需要在字节码扫描阶段维护状态,因为我们查找的是方法级的问题。
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The memory state of each byte of memory is represented by one of these letters R, Y, G, or B. These letters correspond to the colors red, yellow, green, and blue, respectively.