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copied!<p>A sample for my annotation based idea.</p> <pre><code>public class FiledOrder { @Retention(RetentionPolicy.RUNTIME) public @interface Order { int value(); } public class SomeClass { @Order(value=2) public int field1; @Order(value=1) public int field2; // no annotation public int field3; @Order(value=1) public void start() { } @Order(value=2) public void end() { } } /** * @param args */ public static void main(String[] args) { Field[] fields = SomeClass.class.getFields(); Arrays.sort(fields, new Comparator<Field>() { @Override public int compare(Field o1, Field o2) { Order or1 = o1.getAnnotation(Order.class); Order or2 = o2.getAnnotation(Order.class); // nulls last if (or1 != null && or2 != null) { return or1.value() - or2.value(); } else if (or1 != null && or2 == null) { return -1; } else if (or1 == null && or2 != null) { return 1; } return o1.getName().compareTo(o2.getName()); } }); for (Field f : fields) { System.out.println(f.getName()); } Method[] methods = SomeClass.class.getMethods(); Arrays.sort(methods, new Comparator<Method>() { @Override public int compare(Method o1, Method o2) { Order or1 = o1.getAnnotation(Order.class); Order or2 = o2.getAnnotation(Order.class); // nulls last if (or1 != null && or2 != null) { return or1.value() - or2.value(); } else if (or1 != null && or2 == null) { return -1; } else if (or1 == null && or2 != null) { return 1; } return o1.getName().compareTo(o2.getName()); } }); for (Method m : methods) { System.out.println(m.getName()); } } } </code></pre>

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