你可以认为它是一个匿名代码块。

You can think of it as a nameless chunk of code.

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此外，它是对代码本身进行验证，而不是对代码产生方的身份进行验证，因而可信度更高并可以支持匿名代码。

Besides, it is more trustworthy and can support the verification of anonymous codes because the code itself instead of the authority of a code producer is verified.

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实例初始化器允许您为一个匿名内部类执行构造代码。

Instance initializers allow you to execute construction code for an anonymous inner class.

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