反射获取一个类

package poi;

import java.lang.reflect.Constructor;
import java.lang.reflect.Field;
import java.lang.reflect.Method;
import java.lang.reflect.Modifier;

import org.apache.poi.xwpf.usermodel.XWPFSettings;

public class ReflectMain {
    public static void main(String[] arg) throws SecurityException, NoSuchFieldException, IllegalArgumentException, IllegalAccessException, ClassNotFoundException, InstantiationException{
        XWPFSettings ct = new XWPFSettings();
　　　　 //反射三种方法
        Class c =  ct.getClass();
　　　　 //Class c = XWPFSettings.class;
　　　　 //Class c =  Class.forName("XWPFSettings");
        System.out.println("---------------------指定类的成员变量-----------------------");
        System.out.println("反射获得的类的成员变量个数");
        System.out.println(c.getDeclaredFields().length);
        for (Field fil : c.getDeclaredFields()) {
            System.out.print(fil.getType()+" ");
            System.out.println(fil.getName());
        }
        System.out.println("------------------------类的构造方法-----------------------");
        for (Constructor constructor : c.getDeclaredConstructors()) {
            System.out.print(Modifier.toString(constructor.getModifiers())+" ");
            System.out.println(constructor.getName());
        }
        System.out.println("--------------------------成员方法--------------------------");
        for (Method method : c.getDeclaredMethods()) {
            System.out.print(Modifier.toString(method.getModifiers())+" ");
            System.out.print(method.getReturnType()+" ");
            System.out.println(method.getName());
        }
        System.out.println("---------------------------类的修饰符------------------------");
        int mod = c.getModifiers();
        String modifier = Modifier.toString(mod);
        System.out.println("modifier = " + modifier);
        System.out.println("------------------------指定类的完全限定名--------------------");
        System.out.println(c.getName());
        System.out.println("------------------------指定类的父类限定名--------------------");
        System.out.println(c.getSuperclass().getName());
    }
}