java+架构系列培训课程 03 Java与OO

Java 1. 2. 3. 4. 5. 6. 7. UML– 1.  2.  java 3. java.lang.Object ClassObjectistherootoftheclasshierarchy.EveryclasshasObjectasasuperclass.Allobjects,includingarrays,implementthemethodsofthisclass. objecttoStringhashCodeSystem.out.println(object); 1. implements 2.  3.  – 1. is-aextends 2. Java 3.  4.  5. final instanceof CatfinalIDE speakfinalIDE final 6.  –overriding1.  2.  1.  2.  3.  4. “” 5. “” 6. private Cat Ploy.java –overloading1. VM 2.  1. 2. 33. 4. 5.  3.  Overload.java 1.  2.  UML1.  2.  3.  4.  5.  6.  7.  UML– UML– UML– UML–UML– UMLEnterpiseArchitect UML–1 UML–2CustomerMgmtBeanisCustomerExist UML–3 Contact:[e-mail]