摘要：
public static void main(String[] args) { Student stu1 = new Student(); stu1.setId(1); stu1.setName("张三"); // Class c = Student.class.getClass(); try { Class c = stu1.getClass(); Field f[] = c.getDeclaredFields(); System.out.println("字段数组大小："+f.length); System.out.println("字段 阅读全文