This prevents the compiler from silently invoking the conversion operation with possibly unforeseen consequences.
这可以防止编译器无提示地调用可能产生无法预见后果的转换操作。
Programming frequently used string operations, this class encapsulates the string conversion operation, a very convenient, it is recommended to download.
编程经常用到字符串操作，本类封装了字符串的转换操作，非常方便，建议下载。
Such a UML operation should specify the target type of the conversion as the return type and the source or input type of the conversion as a parameter type.
这样的 UML 操作应该将转换的目标类型指定为返回类型，转换的源或输入类型指定为参数类型。
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