RESTful服务通常在它的响应中提供两个有意义的组件：响应主体本身和一个状态码。

A RESTful service typically provides two meaningful components in its responses: the response body itself and a status code.

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另一方面，全局变量是一种可在同一组件内的任一代码片段中使用的变量。

A global variable, on the other hand, is available to be used in any snippet within the same component.

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有一个新的字符可以用于字节码中的标识符中(“ + ”)，一些处理类引用的指令发生了修改，还有一个不同的方法用于处理合成组件。

There's a new character usable in identifiers within the bytecode (" + "), a modification to a pair of instructions to work with class references, and a different approach to synthetic components.

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