public class Bean {
public static final String dbtype=new String();
}
public static void changFinalProperty(Class clazz ,Object newvalue)
{
try {
Object o = clazz.newInstance();
Field field = clazz.getDeclaredField("dbtype");
field.setAccessible(true);
Field modifiersField = Field.class.getDeclaredField("modifiers");
modifiersField.setAccessible(true);
modifiersField.set(field, field.getModifiers() & ~Modifier.FINAL);
field.set(null, newvalue);
} catch (NoSuchFieldException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (SecurityException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IllegalArgumentException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IllegalAccessException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (InstantiationException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
System.out.println(Bean.dbtype);
}