语法
public final Class<?> getClass()
class User { private int id; private String name; public User(int id, String name) { this.id = id; this.name = name; } } class SpecificUser extends User { private String specificId; public SpecificUser(String specificId, int id, String name) { super(id, name); this.specificId = specificId; } } public class TestUser { public static void main(String[] args){ User user = new User(115, "Raja"); SpecificUser specificUser = new SpecificUser("AAA", 120, "Adithya"); User anotherSpecificUser = new SpecificUser("BBB", 125, "Jai"); System.out.println(user.getClass()); System.out.println(specificUser.getClass()); System.out.println(anotherSpecificUser.getClass()); } }
class User class SpecificUser class SpecificUser
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