java inner class example

class ' Demo { public static void Main (string[] args) { out.in in = new Out (). New in (); In.print (); or Access/ * out with sowing = new Out (); Out.in in = Out.new in (); In.print (); */ }}Run Result: 12From the above example, it is not difficult to see that the inner

static data, a static method, or another static inner class (inner classes may be nested more than one layer). However, the static inner class can have all of them. This is the second difference between two people. Local inner cl

class reference to the subclass instance of new, so what happens to the interface?Example 3: Anonymous class implementation interfaceFirst define an interface public interface Human {public void eat ();p ublic void Drink ();}public class Unnamedclass {public static void main (string[] args) { As you can

interfaceEquivalent to an implementation class object that defines the interface and overrides all the abstract methods in the interfaceSportable s=new sportable () {public void Sport () {System.out.println ("playing basketball");}};S.sport ();System.out.println (S.getclass ());//class com.aowin.noname.test$3}}Entity classClass person{public void Eat () {System.out.println ("eat");}}

used (can be removed final)//inner Inner = new Inner (), cannot be instantiated here, because the Inner class has not been initialized, you cannot call that class inner{// Local

() { - returns; - } in - Public Static voidf () { to } + - Static intx = 10; the * Static classAnotherlevel { $ {Panax Notoginsengx = 111; - System.out.println (x); the } + } A } the + Public StaticContents Contents () { - return Newparcelcontents (); $ } $ - Public StaticDestination Destination () { - return NewParceldestination ("Hello world!"); the } - }Wuyi the P

PackageCom.yeepay.sxf.testclassforinner;2 /**3 * Test Class4 * @authorShangxiaofei5 *6 */7 Public classTestController {8 9 PrivatePaymentservice paymentservice=NewPaymentservice ();Ten One PrivateString dd= "SXF"; A - Public voidTestpay () { - theString Astring=paymentservice.payformoney (100,NewCallBack () { - - @Override - Public Booleanprocess (Integer a) { +String mstring= ""; - if(a>100){ +Mstring= "SXF"; A

Programming | programs | inheriting | Examples about inheritance internal class--java programming thought sample program analysis; Class Egg2 { Protected class Yolk { Public yolk () { System.out.println ("Egg2.yolk ()"); } public void F () { System.out.println ("Egg2.yolk.f ()"); } } Private yolk y = new yolk (); Publi

Public voidg () { - y.f (); - } - } - - classTest008subextendsEGG2 { in Publictest008sub () { -System.out.println ("AA"); toInsertyolk (Newyolk ()); + } - the Public classYolkextendsEgg2.yolk { * Publicyolk () { $System.out.println ("Bigegg2.yolk ()");Panax Notoginseng } - the Public voidf () { +System.out.println ("Bigegg2.yolk.f ()"); A } the } + } - $ //order of calls in complex cases $ Public classTest008 { - Public Stat

its own properties and methods, but it cannot be instantiated because the parent class is instantiated, The parent class does not change the properties and methods in the anonymous class private String name = "AAA"; The {///anonymous class can have code blocks initialized. Cannot use static code blocks such as: Static

Package jsckson;/******************************************** * File name: threadLocal An example of a Java inner class

The Inner class(inner Class) defines the classes in the class. (generally Java's argument)The Nested class(nested Class) is a static (static) inner