how do you solve the problem that MyBatis cannot load TypeHandler according to the fully qualified name of the class in the configuration file in OSGI environment? for example: <delete id="deleteById" statementType="PREPARED"&...
there is a AAA class with a static member variable custCount , which is an atomic class. is then used in another class. in theory, when this member variable is called, the AAA class is loaded and then initialized. does this when local debug in I...
Why does JAVA have multiple loaders I know that the function of the loader is to get the binary byte stream through the class name. It is mainly divided into four kinds of loaders: startup class-> extension class-> application class-> custom class. I al...