. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45 5 Java 面向对象编程进阶 B 46 5.1 多态性 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47 5.1.1 多态的概念 . . . . . 36 4.3 Java 访问控制 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37 5.1 Java 多态 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47 6.1 Java 虚拟机架构 属性、方法和初始化块的用法 4. 了解设计模式，掌握单例设计模式 5. 掌握 final 关键字的概念和使用方法 授课方式 理论课： 多媒体教学、程序演示 实验课： 上机编程 46 5.1. 多态性 � 5 � 教学内容 5.1 多态性 5.1.1 多态的概念 在 Java 中，子类的对象可以替代父类的对象使用称为多态。Java 引用变量与所引 用对象间的类型匹配关系如下： • 一个对象只能属

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 160 5.1. Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ForwardedHeaderTransformer with removeOnly=true, in which case it removes but does not use the headers.  In 5.1 ForwardedHeaderFilter was deprecated and superseded by ForwardedHeaderTransformer so forwarded which was changed from EncodingMode.URI_COMPONENT in 5.0.x to EncodingMode.TEMPLATE_AND_VALUES in 5.1. 1.7. CORS Web MVC Spring WebFlux lets you handle CORS (Cross-Origin Resource Sharing). This section

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 249 5.1. Common Configuration. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . which was changed from EncodingMode.URI_COMPONENT in 5.0.x to EncodingMode.TEMPLATE_AND_VALUES in 5.1. 1.5.4. Relative Servlet Requests You can use ServletUriComponentsBuilder to create URIs relative fromServletMapping(request) .path("/accounts") .build() .toUri()  As of 5.1, ServletUriComponentsBuilder ignores information from the Forwarded and X-Forwarded-* headers, which

Access. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 154 5.1. Introduction to ORM with Spring. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . (ORM) Data Access This section covers data access when you use Object Relational Mapping (ORM). 5.1. Introduction to ORM with Spring The Spring Framework supports integration with the Java Persistence overloaded buildSessionFactory method that takes a bootstrap executor argument. As of Spring Framework 5.1, such a native Hibernate setup can also expose a JPA EntityManagerFactory for standard JPA interaction

is compatible with JBoss AS 7 as well * restored JBossLoadTimeWeaver compatibility with JBoss AS 5.1 * Provider injection works with generically typed collections of beans as well * @ActiveProfiles mechanism varargs, StringBuilder) * updated to JUnit 4.5 and JRuby 1.1 * removed WebLogic 8.1 and WebSphere 5.1 support * removed native TopLink API support (superseded by JPA) * removed Commons Attributes support

beforeCompletion callbacks in case of beforeCommit failures * added WebSphere 5.1 check to WebSphereTransactionManagerFactoryBean (covering versions 5.1, 5.0 and 4 now) Package org.springframework.util * added "retrieveMatchingFiles"

is compatible with JBoss AS 7 as well * restored JBossLoadTimeWeaver compatibility with JBoss AS 5.1 * Provider injection works with generically typed collections of beans as well * @ActiveProfiles mechanism varargs, StringBuilder) * updated to JUnit 4.5 and JRuby 1.1 * removed WebLogic 8.1 and WebSphere 5.1 support * removed native TopLink API support (superseded by JPA) * removed Commons Attributes support

is compatible with JBoss AS 7 as well * restored JBossLoadTimeWeaver compatibility with JBoss AS 5.1 * Provider injection works with generically typed collections of beans as well * @ActiveProfiles mechanism varargs, StringBuilder) * updated to JUnit 4.5 and JRuby 1.1 * removed WebLogic 8.1 and WebSphere 5.1 support * removed native TopLink API support (superseded by JPA) * removed Commons Attributes support

is compatible with JBoss AS 7 as well * restored JBossLoadTimeWeaver compatibility with JBoss AS 5.1 * Provider injection works with generically typed collections of beans as well * @ActiveProfiles mechanism varargs, StringBuilder) * updated to JUnit 4.5 and JRuby 1.1 * removed WebLogic 8.1 and WebSphere 5.1 support * removed native TopLink API support (superseded by JPA) * removed Commons Attributes support

is compatible with JBoss AS 7 as well * restored JBossLoadTimeWeaver compatibility with JBoss AS 5.1 * Provider injection works with generically typed collections of beans as well * @ActiveProfiles mechanism varargs, StringBuilder) * updated to JUnit 4.5 and JRuby 1.1 * removed WebLogic 8.1 and WebSphere 5.1 support * removed native TopLink API support (superseded by JPA) * removed Commons Attributes support