Members of a Java interface are public by default. A Java abstract class can have the usual flavors of class members like private, protected, etc.. Java interface should be implemented using keyword “implements”; A Java abstract class should be extended using keyword “exten...
自动发现类并且注册Bean定义 Spring 能够自动发现模式化的类并且使用ApplicationContext中注册相关的BeanDefination。例如,下面的类就能够被自动发现: @ServicepublicclassSimpleMovieLister { privateMovieFinder movieFinder;@AutowiredpublicSimpleMovieLister(MovieFinder movieFinder) {this.movieFinder = movieFinder; } } @...
import java.time.Duration; import java.io.IOException; import java.lang.reflect.InvocationTargetException; import java.lang.reflect.Method; import java.net.MalformedURLException; import java.net.URL; import java.nio.charset.StandardCharsets; import java.nio.file.Files; import java.nio.file.Path; i...
publicclassPerson(){public***static***voidtest(){}} This is a special defination mode,because its existence is along with the establishment of this Class--Person. So we can only ues Person to invoke it. publicclassMyclass(){Person.test(){} The instance method(实例方法) The object method...