反照类的属性和方法

反射类的属性和方法

package cn; 
import java.lang.reflect.*; 
public class Test { 
  private double d; 
  public static final int i = 37; 
  String s = "testing"; 
  public static void main(String args[]) { 
   try { 
      Class cls = Class.forName("cn.Test"); 
      Field fieldlist[] = cls.getDeclaredFields(); 
     for (int i = 0; i < fieldlist.length; i++) { 
        Field fld = fieldlist[i]; 
        System.out.println("name = " + fld.getName()); 
        System.out.println("decl class = " + fld.getDeclaringClass());
        System.out.println("type = " + fld.getType()); 
       int mod = fld.getModifiers(); 
        System.out.println("modifiers = " + Modifier.toString(mod)); 
        System.out.println("-----"); 
      } 
    } catch (Throwable e) { 
      System.err.println(e); 
    } 
  } 
}

 import java.lang.reflect.*;

public class Test { 
  public static void main(String args[]) { 
        try { 
            Class c = Class.forName("java.util.Stack"); 
            Method m[] = c.getDeclaredMethods(); 
            for (int i = 0; i < m.length; i++) 
                System.out.println(m[i].toString()); 
        } catch (Throwable e) { 
            System.err.println(e); 
        } 
    } 
}