diff --git a/day06/src/com/inmind/object_private03/Student.java b/day06/src/com/inmind/object_private03/Student.java
index 37eb44f..ea79597 100644
--- a/day06/src/com/inmind/object_private03/Student.java
+++ b/day06/src/com/inmind/object_private03/Student.java
@@ -1,11 +1,68 @@
 package com.inmind.object_private03;
+/*
+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){
+    方法体；return
+}
+
+构造方法
+方法修饰符   构造方法名(参数列表){
+    方法体
+}
+
+构造方法：
+    1.没有返回值类型
+    2.构造方法名必须跟类名一致
+
+ 注意：当源文件，进行编译之后编译器扫描整个类的内容，如果它发现你没写构造方法，它会帮你自动添加一个
+       默认的无参构造方法。如果你写了构造方法，编译器就不会自动添加一个默认的无参构造方法
+
+构造方法是可以重载的。
+
+构造方法的作用：通过new调用该构造方法，创建对象，并且对该对象的属性进行赋值
+
+有参构造方法：创建对象并赋值指定的值
+无参构造方法：创建对象并赋值默认初始化值
+
+ */
 
 public class Student {
     private String name;
     private int age = 20;
     private int id;
+
+    //默认无参构造方法
+    public Student(){
+
+    }
+
+    //满参构造方法
+    public Student(String name,int age,int id){
+        this.id = id;
+        this.name = name;
+        this.age = age;
+    }
+
+    //有参构造方法
+    public Student(String name){
+        this.name = name;
+    }
+
+    public Student(int id){
+        this.id = id;
+    }
+
+    public Student(String name,int id){
+        this.id = id;
+        this.name = name;
+    }
+
+
     //学习
     public void study(String book) {
+
         System.out.println("学号："+id+",姓名："+name+",年龄为"+age+"岁的学生在学"+book);
     }
 
diff --git a/day06/src/com/inmind/object_private03/StudentTest.java b/day06/src/com/inmind/object_private03/StudentTest.java
index 177550a..a051560 100644
--- a/day06/src/com/inmind/object_private03/StudentTest.java
+++ b/day06/src/com/inmind/object_private03/StudentTest.java
@@ -13,6 +13,7 @@ private：权限修饰符，最小一个权限，被它修饰的内容只能够
  */
 public class StudentTest {
     public static void main(String[] args) {
+
         //创建一个学生对象
         Student s = new Student();
         System.out.println(s);
@@ -28,5 +29,9 @@ public class StudentTest {
         System.out.println(s.getAge());
         System.out.println(s.getId());
         System.out.println(s.getName());
+
+        //使用满参构造方法创建出学生对象（2，王五，22）
+        Student s1 = new Student("王五", 22, 2);
+        s1.study("python");
     }
 }
diff --git a/day06/src/com/inmind/object_private03/Teacher.java b/day06/src/com/inmind/object_private03/Teacher.java
new file mode 100644
index 0000000..c3d29cf
--- /dev/null
+++ b/day06/src/com/inmind/object_private03/Teacher.java
@@ -0,0 +1,45 @@
+package com.inmind.object_private03;
+//标准的java类！！！
+public class Teacher {
+    private String name;
+    private double salary;
+    private int age;
+    //alt+inset
+    //构造方法
+    public Teacher(String name, double salary, int age) {
+        this.name = name;
+        this.salary = salary;
+        this.age = age;
+    }
+
+
+    public Teacher() {
+    }
+
+
+    //get/set
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    public double getSalary() {
+        return salary;
+    }
+
+    public void setSalary(double salary) {
+        this.salary = salary;
+    }
+
+    public int getAge() {
+        return age;
+    }
+
+    public void setAge(int age) {
+        this.age = age;
+    }
+}