ODBC applications do not require the explicit declaration and use of host variables.
ODBC应用程序不需要显式声明，也不需要使用宿主变量。
Scala can usually infer the return type of the method (but not the types of the method arguments), so we drop the explicit declaration.
Scala通常可以推断出方法的返回值（但是方法参数的类型就不行了），所以我们不用显式声明。
While less invasive, the drawback of that approach is that it requires explicit declaration of 'init-method' and/or 'destroy-method' attributes on the 'bean' element.
尽管入侵性小，但缺点在于使用这个方式的话就必须显式声明bean元素的init-method或destroy-method属性。
Because explicit declaration helps you catch these kinds of errors, it is recommended that you use it with all your code.
鉴于显式声明有助于捕捉这些类型的错误，建议在所有代码中使用显式声明。
You can avoid problems with misnamed variables by using explicit declaration.
通过使用显式声明可以避免由拼错变量名引起的问题。
A name can be hidden by an explicit declaration of that same name in a nested declarative region or derived class (10.2).
名字被嵌套的声明区域或派生类(10.2)中相同名字的显式声明所隐藏。
Implicit and Explicit Declaration.
隐式和显式声明。
Implicit and Explicit Declaration.
隐式和显式声明。
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