public class TalkingClock { private int interval; private boolean beep; public talkingClock(int interval, boolean beep){...} public class TimePrinter implements ActionListener { // an inner class ... } } 1. 2. 3. 4. 5. 6. 7. 8. 9. 需要注意,这里的TimePrinter类位于TalkingClock类内部。
非static的内部类也可以有static方法publicclassOutter{privateInnerinner=newInner();classInner{staticinti...
//local inner class 仅仅显示为外部可见类型 System.out.println(f1.getClass().getName()); System.out.println(f1instanceofA.IF); A.IF f2=(newA()).create(); System.out.println(f2.getClass().getName()); System.out.println(f2instanceofA.IF); System.out.println(IShare.A.class.getName(...
Inner Class(内部类)定义在类中的类。(一般是JAVA的说法) Nested Class(嵌套类)是静态(static)内部类。(一般是C++的说法) 静态内部类:1创建一个static内部类的对象,不需要一个外部类对象2不能从一个static内部类的一个对象访问一个外部类对象 Java内部类与C++嵌套类最大的不同就在于是否有指向外部的引用上。
class Outer { class Inner {} public static void foo() { new Inner(); } public void bar() { new Inner(); } public static void main(String[] args) { new Inner(); } } 注意:Java中非静态内部类对象的创建要依赖其外部类对象,上面的面试题中foo和main方法都是静态方法,静态方法中没有this,...
privatestaticfinal intSTOP=1<<COUNT_BITS;privatestaticfinal intTIDYING=2<<COUNT_BITS;privatestaticfinal intTERMINATED=3<<COUNT_BITS;// Packing and unpacking ctlprivatestaticintrunStateOf(int c){returnc&~CAPACITY;}privatestaticintworkerCountOf(int c){returnc&CAPACITY;}privatestaticintctlOf(int rs,...
Using the above in our main method to call the static method our code might appear something like this: Notice how we have used Eric.Donna.say() in the above example, since Eric and Donna are our Outer and Inner Class Names. We have eventually called the method say(). ...
static class StaticNestedClass { ... } } A nested class is a member of its enclosing class. Non-static nested classes (inner classes) have access to other members of the enclosing class, even if they are declared private. Static nested classes do not have access to other members of the...
public class A { static { System.out.println("123"); } public static void main(String[] args) { A a1 = new A(); A a2 = new A(); } } 123 4. 静态内部类 非静态内部类依赖于外部类的实例,而静态内部类不需要。 public class OuterClass { class InnerClass { } static class Static...
driver. Specify one of the following static variables in the GX_DA_DAD_DRIVERS class: GX_DA_DRIVER_ODBC GX_DA_DRIVER_SYBASE_CTLIB GX_DA_DRIVER_MICROSOFT_JET GX_DA_DRIVER_MICROSOFT_SQL GX_DA_DRIVER_INFORMIX_SQLNET GX_DA_DRIVER_INFORMIX_CLI GX_DA_DRIVER_INFORMIX_CORBA GX_DA_DRIVER_...