介绍当我们有个固定的模板，但是里面某些值不一样，可以使用该工具类将里面的变量进行替换！使用案例对象传递 （支持取子类或父类）User user = new User();
user.setName("依桐");
user.setAge(21);
User.Detail detail = new User.Detail();
user.setDetail(detail);
User.Detail
# Java String Placeholder
In Java, a string placeholder is a special construct that allows us to insert dynamic values into a string. It is commonly used in scenarios where we need to generate dynami
