From cfccb1d0551a104497e286aa3b8661c10ddb5a1b Mon Sep 17 00:00:00 2001 From: xuxin <840198532@qq.com> Date: Thu, 8 Oct 2026 13:44:23 +0800 Subject: [PATCH] =?UTF-8?q?day10--=E6=8E=A5=E5=8F=A3=E7=9A=84=E9=9D=99?= =?UTF-8?q?=E6=80=81=E6=96=B9=E6=B3=95=E7=9A=84=E5=AE=9A=E4=B9=89=E5=92=8C?= =?UTF-8?q?=E4=BD=BF=E7=94=A8?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- .../com/inmind/interface_static03/Demo03.java | 24 +++++++++++++++++++ .../interface_static03/MyInterface.java | 14 +++++++++++ .../interface_static03/MyInterfaceImpl.java | 5 ++++ 3 files changed, 43 insertions(+) create mode 100644 day10/src/com/inmind/interface_static03/Demo03.java create mode 100644 day10/src/com/inmind/interface_static03/MyInterface.java create mode 100644 day10/src/com/inmind/interface_static03/MyInterfaceImpl.java diff --git a/day10/src/com/inmind/interface_static03/Demo03.java b/day10/src/com/inmind/interface_static03/Demo03.java new file mode 100644 index 0000000..1e1d2b1 --- /dev/null +++ b/day10/src/com/inmind/interface_static03/Demo03.java @@ -0,0 +1,24 @@ +package com.inmind.interface_static03; +/* +jdk8提供的接口中的静态方法 +接口中的静态方法的作用:封装接口相关的通用的功能,给相关实现类作为辅助工具的方法 + +类中的静态:只跟类有关,跟对象无关 +类中的静态调用: + 1.对象名.静态内容(不推荐) + 2.类名.静态内容(推荐) + +接口的静态方法 +1.是否通过对象调用静态方法的形式来操作???不能 +2.只能通过接口名.静态方法来调用 + 接口的静态方法不能通过实现类对象调用或操作,由于接口的多继承导致 + */ +public class Demo03 { + public static void main(String[] args) { + //接口名.静态方法来调用 + MyInterface.method(); + //实现类对象调用或操作接口的静态方法(不可以) + /*MyInterfaceImpl impl = new MyInterfaceImpl(); + impl.method();*/ + } +} diff --git a/day10/src/com/inmind/interface_static03/MyInterface.java b/day10/src/com/inmind/interface_static03/MyInterface.java new file mode 100644 index 0000000..4190e74 --- /dev/null +++ b/day10/src/com/inmind/interface_static03/MyInterface.java @@ -0,0 +1,14 @@ +package com.inmind.interface_static03; +/* + 定义静态方法格式 + public static 返回值类型 方法名(参数列表){ + 方法体 + }; + + */ +public interface MyInterface { + //接口中静态方法 + public static void method(){ + System.out.println("接口MyInterface的静态方法method"); + } +} diff --git a/day10/src/com/inmind/interface_static03/MyInterfaceImpl.java b/day10/src/com/inmind/interface_static03/MyInterfaceImpl.java new file mode 100644 index 0000000..ab61719 --- /dev/null +++ b/day10/src/com/inmind/interface_static03/MyInterfaceImpl.java @@ -0,0 +1,5 @@ +package com.inmind.interface_static03; + +public class MyInterfaceImpl implements MyInterface{ + +}