day06--封装的优化_构造方法

2026-09-21 11:36:43 +08:00
parent 6476d75539
commit 1bfb1d88f7
2 changed files with 68 additions and 0 deletions
@@ -0,0 +1,15 @@
+package com.inmind.constructor03;
+
+public class Demo04 {
+    public static void main(String[] args) {
+        //创建学生
+        Student s = new Student();
+        System.out.println(s.name);
+        //直接创建学生并携带name属性
+        Student s1 = new Student("张三");
+        System.out.println(s1.name );
+        Student s2 = new Student("李四",18);
+        System.out.println(s2.name);
+        System.out.println(s2.age);
+    }
+}