From 70585d8d6502f11b8df17909769bd96b9569b6ad Mon Sep 17 00:00:00 2001
From: xuxin <840198532@qq.com>
Date: Sun, 10 May 2026 14:59:52 +0800
Subject: [PATCH] =?UTF-8?q?day06-=E9=9D=A2=E5=90=91=E5=AF=B9=E8=B1=A1?=
 =?UTF-8?q?=E7=89=B9=E6=80=A7=E4=B9=8B=E5=B0=81=E8=A3=85=E7=9A=84=E4=BC=98?=
 =?UTF-8?q?=E5=8C=96=5F=E6=9E=84=E9=80=A0=E6=96=B9=E6=B3=95?=
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---
 .../src/com/inmind/constructor03/Demo05.java  | 16 +++++
 .../src/com/inmind/constructor03/Student.java | 72 +++++++++++++++++++
 2 files changed, 88 insertions(+)
 create mode 100644 day06/src/com/inmind/constructor03/Demo05.java
 create mode 100644 day06/src/com/inmind/constructor03/Student.java

diff --git a/day06/src/com/inmind/constructor03/Demo05.java b/day06/src/com/inmind/constructor03/Demo05.java
new file mode 100644
index 0000000..566693d
--- /dev/null
+++ b/day06/src/com/inmind/constructor03/Demo05.java
@@ -0,0 +1,16 @@
+package com.inmind.constructor03;
+
+public class Demo05 {
+    public static void main(String[] args) {
+        Student s = new Student();
+        System.out.println(s);
+        System.out.println(s.getAge());
+        System.out.println(s.getName());
+
+
+        Student s1 = new Student("王五", 22);
+        System.out.println(s1.getAge());//22
+        System.out.println(s1.getName());//王五
+
+    }
+}
diff --git a/day06/src/com/inmind/constructor03/Student.java b/day06/src/com/inmind/constructor03/Student.java
new file mode 100644
index 0000000..35aaed2
--- /dev/null
+++ b/day06/src/com/inmind/constructor03/Student.java
@@ -0,0 +1,72 @@
+package com.inmind.constructor03;
+/*
+Student()：就是Student类的"默认"无参构造方法
+
+普通自定义方法：
+方法修饰符 返回值类型 方法名(参数列表){
+    return；方法体
+}
+
+构造方法：
+方法修饰符 类名(参数列表){
+    java方法体
+}
+
+注意：当源文件（.java文件），进行编译时，编译器扫描整个类的内容，如果没有发现构造方法，那么它会自动帮你添加一个
+默认无参构造方法，如果你写了构造方法，编译器就不会自动添加默认无参构造方法
+
+1.构造方法没有返回值类型
+2.构造方法必须与类名保持一致
+3.构造方法可以重载
+
+构造方法的作用：通过new调用构造方法，创建对象，并且对该对象的属性进行赋值
+ */
+public class Student {
+    //属性
+    //姓名
+    private String name;
+    //年龄
+    private int age;
+
+    //无参构造方法
+    public Student(){
+        System.out.println("无参构造方法");
+    }
+    //有参构造
+    public Student(String name){
+        System.out.println("有参构造方法");
+        this.name = name;
+    }
+
+    //有参构造
+    public Student(int age){
+        System.out.println("有参构造方法");
+        this.age  = age;
+    }
+
+    //满参构造方法
+    public Student(String name, int age){
+        System.out.println("满参构造方法");
+        this.name = name;
+        this.age = age;
+    }
+
+
+    //行为
+    //get方法
+    public String getName(){
+        return this.name;
+    }
+
+
+    //get方法
+    public int getAge(){
+        return this.age;
+    }
+
+
+    //学习
+    public void study(String book){
+        System.out.println(this.name+"学生正在学习" + book);
+    }
+}