Java创建一个类的实例的方法

Class c = Class.forName("路径")；
（1）java.lang.newInstance
User use = (User)c.java.newInstance();
（2）java.lang.reflect.Constructor类的newInstance方法
Constructor con = c.getConstructor(String.class);
User use = (User)con.newInstance(name);

User user1 = new User(1,"dan");
  User user2 = null;
  user2 = (User) user1.clone();