通过logFactory得到一个log对象,一般如果这样来得到对象的话,Log类里面的构造函数是不可视的,一般只能通过getIntance()来得到一个Log对象,(往往会用单例),如果按照一般逻辑,会在LogFactory中定义一个getLog函数,由...
private static final log log = logfactory.getlog(***.class);
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