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());    }}