anonymous inner class in java

(NewRunnable () {7 @Override8 Public voidrun () {9 Try {TenThread.Sleep (50); One}Catch(interruptedexception e) { A e.printstacktrace (); - } - for(inti = 0; I ) the System.out.println (str); - } - }). Start (); - +System.out.println ("Main thread finished"); - } +}① Line 4th defines a local variable str in the Main method, line 6th defines a local inner class thre

Can be used directly:map{Put ("test1", "test11");Put ("Test2", "test11");}}; To initialize.In the online search, this is the use of anonymous classes in the way to initialize. The first layer {} is the definition of an anonymous class, and the second layer {} is the definition of the initialization function.But what is not figured out is that this should be an in

Java Collection frameworks such as set, map, and list do not provide any simple method for initialization. Each time a set is created, values must be added one by one. For example CopyCode The Code is as follows: Set Letter. Add ('A '); Letter. Add ('B '); //... Very tedious. But use an anonymous internal class. It can be slightly simpler. Copy code The Co

Basic theory: －－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－ About Java Inner classes: an inner class is defined as a class that is defined within another class. The reason for this exists is: 1. An object of an internal class can access the implementation of the obj

. There are two types of nesting classes. One is static (modified with the static keyword), and the other is non-static, it is called an inner class ). Note: in Think in Java, the author defines an internal class as "defining a class within the definition of another class, t

[JAVA] java internal class analysis details, java class analysis details Internal class: A normal class is defined in. the outermost layer of a jav