像前面两种情况一样，这种情况下会重新加载类，然而，这里是有目的地卸载类，再去重新加载该类。
Like the previous two cases, the present case involves newly loaded classes. Here, however, classes are ditched on purpose, while a new copy of the class loads.
像前面两种情况一样，这种情况下会重新加载类，然而，这里是有目的地卸载类，再去重新加载该类。
Like the previous two cases, the present case involves newly loaded classes. Here, however, classes are ditched on purpose, while a new copy of the class loads.
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