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Reflection

• Class getSuperclass()
• Class[] getInterfaces()
• Package getPackage()
• Field[] getDeclaredFields()
• Constructor[] getDeclaredConstructors()
• Method[] getDeclaredMethods()

Example: Enumerating static fields Math class

Field[] fields = Math.class.getDeclaredFields(); 
for (int i = 0; i < fields.length; i++) 
   if (Modifier.isStatic(fields[i].getModifiers())) 
      System.out.println(fields[i].getName()); 

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