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1111# 爱数、浪擎、英方、鼎甲、壹进制等国产备份软件厂商选型
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13+ SDN(software defined network)软件定义网络:https://blog.csdn.net/AtlanSI/article/details/95613225
Original file line number Diff line number Diff line change 11Class 'GroudwaterServiceImpl' must either be declared abstract or implement abstract method 'save(Entity)' in 'IBaseService'
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33前提:
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45``` java
56public interface IBaseService {// 该函数是引入的另一个jar中的方法
67 Result<Integer > save (Entity var1 );
@@ -12,6 +13,7 @@ public class GroudwaterServiceImpl implements IBaseService{
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1314}
1415```
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1517我定义了这个类,然后ide告诉我要么定义为abstract类,要么必须实现IBaseService中的接口方法?
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1719问题一:Result<Integer > save(Entity var1);的访问权限为什么是public abstract
@@ -23,7 +25,6 @@ public class GroudwaterServiceImpl implements IBaseService{
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2426java9之后接口包含的内容:1.常量 2.抽象方法 3.默认方法 4.静态方法 5,私有方法
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2728只要是抽象类,那么就可以不用重写(实现)接口中的抽象方法
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2930``` java
@@ -45,7 +46,6 @@ public interface MyInterfaceAbstract {
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4647https://blog.csdn.net/qq_44750696/article/details/123703495
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48-
4949多态是怎么做的?
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5151Java 反射
@@ -54,3 +54,8 @@ Java 反射
5454注入spring中帮忙管理
5555Java反射的使用
5656https://blog.csdn.net/m0_69992031/article/details/125269217
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59+ [ 深入理解 Java 反射和动态代理 - 知乎 (zhihu.com)] ( https://zhuanlan.zhihu.com/p/60805342 )
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61+ [ 反射的概念和用法_程序员习溶的博客-CSDN博客] ( https://blog.csdn.net/m0_69992031/article/details/125269217 )
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