Class and object, method, object, Method
Class: A class is an abstract concept. It contains data (usually expressed by nouns) and data manipulation (usually represented by verbs ). For example, a person is an abstract concept. A person has data such
. fill {Object-fit:fill;}. contain {object-fit:contain;}. Cover {object-fit:cover;}. none {Object-fit:none;}. Scale-down {Object-fit:scale-down;}The specific meanings of each attribute value are as follows (self-understanding of the vernacular,
Class Hello {
Public static void generaluse (INT [] ARGs ){
For (INT I = 0; I
System. Out. println (ARGs [I]);
}
}
Public static void newbehaviour (Int... ARGs ){
For (INT I = 0; I
System. Out. println (ARGs [I]);
}
}
Databinder. Eval has three parameters: the name container of the data item, the name of the data field, and the formatted string.
In the template list, such as datalist, DataGrid, or repeater, the named container always container. dataitem.
Structuring method PrivatizationThe encapsulation of classes is not only in the encapsulation of attributes today. In fact, the method can be encapsulated, of course, in the method package also includes the encapsulation of the construction method.
Objective-c class, instance member, static variable, object method, class method (static method), object,
First, the class
In iOS, the declaration of a class is separated from its implementation, that is, it
We know that JavaScript is an object-oriented scripting language, so since it is object-oriented, inheritance must be indispensable. The core of JavaScript is ECMAScript. The implementation of the JavaScript Inheritance Mechanism is actually the
Ondataavailable event
For use
This event is triggered when the XML file is valid.
Basic syntax
This event can be handled in the following three ways:. Inline: ;. Event property: object.
ondataavailable Events
Role
This event is triggered when the XML file is valid.
Basic syntax
This event has the following three ways to handle. Inline:;. Event
The importance of the Equals method is needless to say, as long as the two objects you want to compare don't want to be the same object, you should implement the Equals method, and let the object compare to the conditions you think are equal. The
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Class method
① class Method:
+ The beginning of the method (defined as the process form and the object method, just the + start, which is the only difference)
The invocation of the class
Dom|xml| Object ondataavailable Event
RoleThis event is triggered when the XML file is valid.
Basic syntax
This event has the following three ways to handle. Inline:;. Event property:object.ondataavailable = handler;. Named Script:;
Description
The
You have a large function where the use of local variables makes it impossible to use the extract method (extraction function ).Put this large function into a single object, so that local variables become fields in the object. Then you can break
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