8029117: (reflect) clarify javadoc for getMethod(...) and getMethods()
Reviewed-by: darcy
--- a/jdk/src/share/classes/java/lang/Class.java Wed Dec 04 10:27:50 2013 +0100
+++ b/jdk/src/share/classes/java/lang/Class.java Wed Dec 04 11:04:05 2013 +0100
@@ -1565,8 +1565,12 @@
* methods inherited by the array type from {@code Object}. It does not
* contain a {@code Method} object for {@code clone()}.
*
- * <p> If this {@code Class} object represents a class or interface with no
- * public methods, then the returned array has length 0.
+ * <p> If this {@code Class} object represents an interface then the
+ * returned array does not contain any implicitly declared methods from
+ * {@code Object}. Therefore, if no methods are explicitly declared in
+ * this interface or any of its superinterfaces then the returned array
+ * has length 0. (Note that a {@code Class} object which represents a class
+ * always has public methods, inherited from {@code Object}.)
*
* <p> If this {@code Class} object represents a primitive type or void,
* then the returned array has length 0.
@@ -1699,25 +1703,29 @@
* order. If {@code parameterTypes} is {@code null}, it is
* treated as if it were an empty array.
*
- * <p> If the {@code name} is "{@code <init>};"or "{@code <clinit>}" a
+ * <p> If the {@code name} is "{@code <init>}" or "{@code <clinit>}" a
* {@code NoSuchMethodException} is raised. Otherwise, the method to
* be reflected is determined by the algorithm that follows. Let C be the
- * class represented by this object:
+ * class or interface represented by this object:
* <OL>
- * <LI> C is searched for any <I>matching methods</I>. If no matching
- * method is found, the algorithm of step 1 is invoked recursively on
- * the superclass of C.</LI>
- * <LI> If no method was found in step 1 above, the superinterfaces of C
- * are searched for a matching method. If any such method is found, it
- * is reflected.</LI>
+ * <LI> C is searched for a <I>matching method</I>, as defined below. If a
+ * matching method is found, it is reflected.</LI>
+ * <LI> If no matching method is found by step 1 then:
+ * <OL TYPE="a">
+ * <LI> If C is a class other than {@code Object}, then this algorithm is
+ * invoked recursively on the superclass of C.</LI>
+ * <LI> If C is the class {@code Object}, or if C is an interface, then
+ * the superinterfaces of C (if any) are searched for a matching
+ * method. If any such method is found, it is reflected.</LI>
+ * </OL></LI>
* </OL>
*
- * To find a matching method in a class C: If C declares exactly one
- * public method with the specified name and exactly the same formal
- * parameter types, that is the method reflected. If more than one such
- * method is found in C, and one of these methods has a return type that is
- * more specific than any of the others, that method is reflected;
- * otherwise one of the methods is chosen arbitrarily.
+ * <p> To find a matching method in a class or interface C: If C
+ * declares exactly one public method with the specified name and exactly
+ * the same formal parameter types, that is the method reflected. If more
+ * than one such method is found in C, and one of these methods has a
+ * return type that is more specific than any of the others, that method is
+ * reflected; otherwise one of the methods is chosen arbitrarily.
*
* <p>Note that there may be more than one matching method in a
* class because while the Java language forbids a class to