From 0b1e49133dbc88d973d78f5a0593fd48e66422c9 Mon Sep 17 00:00:00 2001
From: xuxin <840198532@qq.com>
Date: Fri, 23 Jan 2026 13:42:47 +0800
Subject: [PATCH] =?UTF-8?q?day09-=E6=8E=A5=E5=8F=A3=E7=9A=84=E6=8A=BD?=
 =?UTF-8?q?=E8=B1=A1=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

---
 day10/src/com/inmind/interface01/Demo01.java  | 28 +++++++++++++++++++
 .../com/inmind/interface01/MyInterface.java   | 12 ++++++++
 .../inmind/interface01/MyInterfaceImpl.java   | 19 +++++++++++++
 3 files changed, 59 insertions(+)
 create mode 100644 day10/src/com/inmind/interface01/Demo01.java
 create mode 100644 day10/src/com/inmind/interface01/MyInterface.java
 create mode 100644 day10/src/com/inmind/interface01/MyInterfaceImpl.java

diff --git a/day10/src/com/inmind/interface01/Demo01.java b/day10/src/com/inmind/interface01/Demo01.java
new file mode 100644
index 0000000..6f8acfd
--- /dev/null
+++ b/day10/src/com/inmind/interface01/Demo01.java
@@ -0,0 +1,28 @@
+package com.inmind.interface01;
+/*
+接口就是生活中的规范，规则
+定义格式
+public interface 接口名 {
+}
+
+jdk7之前：抽象方法，常量
+jdk8:默认方法，静态方法
+jdk9:私有方法
+ */
+
+/*
+接口的抽象方法使用步骤：
+1.接口不能够创建对象，它没有构造方法
+2.定义一个类，实现该接口，并实现该接口中所有的抽象方法
+public class MyInterfaceImpl(实现类) implements MyInterface(接口)
+3.创建该接口的实现类的对象，并调用方法来使用
+ */
+public class Demo01 {
+    public static void main(String[] args) {
+        //创建接口的实现类对象，调用抽象方法即可
+        MyInterfaceImpl myInterface = new MyInterfaceImpl();
+        myInterface.method();
+        myInterface.method1();
+        myInterface.method2();
+    }
+}
diff --git a/day10/src/com/inmind/interface01/MyInterface.java b/day10/src/com/inmind/interface01/MyInterface.java
new file mode 100644
index 0000000..38bd010
--- /dev/null
+++ b/day10/src/com/inmind/interface01/MyInterface.java
@@ -0,0 +1,12 @@
+package com.inmind.interface01;
+/*
+接口中抽象方法定义：
+public abstract 返回值类型 抽象方法名();
+但凡在接口中定义一个没有方法体{}的方法，就是public abstract修饰；暂时不省略
+
+ */
+public interface MyInterface {
+    public abstract void method();//抽象方法
+    public abstract void method1();//抽象方法
+    int method2();//省略了public abstract 的抽象方法
+}
diff --git a/day10/src/com/inmind/interface01/MyInterfaceImpl.java b/day10/src/com/inmind/interface01/MyInterfaceImpl.java
new file mode 100644
index 0000000..b9191c9
--- /dev/null
+++ b/day10/src/com/inmind/interface01/MyInterfaceImpl.java
@@ -0,0 +1,19 @@
+package com.inmind.interface01;
+//实现类
+public class MyInterfaceImpl implements MyInterface {
+    @Override
+    public void method() {
+        System.out.println("实现类的method方法");
+    }
+
+    @Override
+    public void method1() {
+        System.out.println("实现类的method1方法");
+    }
+
+    @Override
+    public int method2() {
+        System.out.println("实现类的method2方法");
+        return 0;
+    }
+}