1/Anonymous Class object: The object that created the class is anonymous.For example , new Circle() is an anonymous class object. Anonymous class objects can only be used once.2/formal parameter: When declaring a method, the parameters within the
In Android development, anonymous applications make development more flexible, while the abuse of anonymous classes makes programs messy and difficult to maintain. Programmers like to be lazy. We often see that an Activity class is full of anonymous
Simple ExampleDynamicexpando =NewSystem.Dynamic.ExpandoObject ();//dynamic type fields are readable and writableexpando. Id =1; expando. Name="Test";stringJSON = Utils.ConvertJson.JsonEncode (expando);//Output {id:1,name: ' Test '}//Adding fields
ObjectiveOccasionally flipping through the books to see the original rational things are really a bit dull, before you see a park in the garden friends said 3-6 years of work experience should be understood. NET knowledge, one point is about the
This article describes how the This keyword works in Java
When you use this in a method when the local variable and member variable have the same name, the member variable in the class that contains the method is represented. (this refers
Java's inner and outer classes-general Linux technology-Linux programming and kernel information. For more information, see the following. What is inner class?
The inner class is a class defined inside another class. The class that defines this
When you use this in a method when a member variable has the same name as a local variable, it represents a member variable in the same class as the method. (This is the current object itself)
such as : Public class Hello {String s = "Hello";
An anonymous internal class is an internal class without a name (in fact, there is no name at the code layer, but an anonymous class also has a name at the bytecode level)
Because there is no name, the anonymous internal class can only be used
From: http://blog.csdn.net/ilibaba/archive/2009/02/06/3866657.aspx
No. 18 give priority to static member classes
Nested classes only serve its peripheral classes.
Nesting can be divided into four types: static member, non-static member, anonymous,
1. About anonymous classes
VaR class1 = {p1: value1, P2: value2 };
This can also be written
VaR class1 = {};
Class1.p1 = value1;
Class1.p2 = value2;
First, all anonymous classes are inherited from the core object. var class1 ={} means that an
The synchronization here is only for a single Java application. Database Synchronization and file synchronization are not discussed here. Relationship between synchronization and Multithreading
1. synchronization is not required in a multi-threaded
Use and refactoring shortcuts of Eclipse refactoring function, and eclipse refactoringWhat is refactoring? After the code is written, improve its design.Reconstruction classification: physical structure, class hierarchy, and class internal structure.
Android Development event response-listener-based Event ResponseAndroid Development event response-listener-based Event Response
This article describes how the Android operating system responds to events through listening.
Android Development event
Android Development event response-listener-based event response, android listenerAndroid Development event response-listener-based Event Response
This article describes how the Android operating system responds to events through listening.
Modifier (access range size order) Public completely discloses protected. The same package or subclass does not have the same package private class.
Abstract class cannot be modified by the static modifier at the same time
In the interface, the
1190000006852540The main points are three pieces:
Static storage: Distributed at compile time, which exists during the entire run of the program. It mainly stores static data and constants.
Stack area: When the method executes, local
We all know that people don't want to use the cumbersome features or concepts. At present, when you want to pass the new behavior to the Filterapples method, you have to declare several classes that implement the Applepredicate interface, and then
Thread PersistenceOne feature of thread in Java is that they are directly referenced by GC root, which means that the Dalvik virtual machine has strong references to all activated threads, causing the GC to never reclaim these thread objects. Unless
The code is as follows
Copy Code
Varyx01=new function () {Return "center"};alert (yx01);//[objectobject]
Equivalent:
The code is as follows
Copy Code
function Anonymous class () {return "center";
The seventh chapter of textbook Learning content
Inner classNotice the relationship between the inner class and the outer-nested class:
The member variables and methods of the outer-nested class are valid in the inner class
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