隐式声明的

It includes all class data members, all class member functions (either explicitly declared, or implicitly generated by the compiler), all base classes of the class, and all their members. Consider.───它包括所有类的数据成员，所有类的成员函数(或者显式声明，或者由编译器隐式生成)，所有类的基类和所有它们的成员。

When a for statement is executed, a cursor is implicitly declared such that for each iteration of the for loop, the next row is the result set if fetched.───执行for语句时，游标被隐式声明，这样对于FOR循环的每一次迭代，取回的下一行就是结果集。

Whenever an exception is thrown while processing your JSP page, the exception object will immediately be thrown to the designated error page by means of the implicitly declared exception variable.───如果在处理jsp页面时有一个异常抛出的话，exception对象就会立即通过隐式声明的exception变量的方式抛给指定的错误页面。

Namespace is always declared implicitly.───命名空间总是隐式声明的。

Namespace, which is always declared implicitly.───这包括总是隐式声明的。