问题描述
对于ClassLoader，有一个名为 findBootstrapClass 的方法，该方法在引导时返回Class。
There is a method called findBootstrapClass for a ClassLoader that returns a Class if it is bootstrapped. Is there a way to find classes has been loaded?
推荐答案
您可以尝试通过以下方法首先获取引导类加载器：调用
You could try to first get the bootstrap class loader by e.g. calling
ClassLoader bootstrapLoader = ClassLoader.getSystemClassLoader().getParent();
然后按如下说明获取该类加载器的类：
and then get the classes of this class loader as explained here: How can I list all classes loaded in a specific class loader.
但是请注意，获取引导类加载器并不可靠，因为它可能不明确存在。因此 ClassLoader.getSystemClassLoader（）。getParent（）可能返回null，如：
But note, that getting the bootstrap class loader is not reliable, because it may not explicitly exist. So ClassLoader.getSystemClassLoader().getParent() may return null, as explained in the Javadoc of ClassLoader#getParent():
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