Fix generics warnings

git-svn-id: https://svn.apache.org/repos/asf/tomcat/trunk@897620 13f79535-47bb-0310-9956-ffa450edef68

diff --git a/java/org/apache/el/parser/AstEmpty.java b/java/org/apache/el/parser/AstEmpty.java
index 8b188d5..83251af 100644 (file)
--- a/java/org/apache/el/parser/AstEmpty.java
+++ b/java/org/apache/el/parser/AstEmpty.java
@@ -51,10 +51,10 @@ public final class AstEmpty extends SimpleNode {
             return Boolean.valueOf(((String) obj).length() == 0);
         } else if (obj instanceof Object[]) {
             return Boolean.valueOf(((Object[]) obj).length == 0);
-        } else if (obj instanceof Collection) {
-            return Boolean.valueOf(((Collection) obj).isEmpty());
-        } else if (obj instanceof Map) {
-            return Boolean.valueOf(((Map) obj).isEmpty());
+        } else if (obj instanceof Collection<?>) {
+            return Boolean.valueOf(((Collection<?>) obj).isEmpty());
+        } else if (obj instanceof Map<?,?>) {
+            return Boolean.valueOf(((Map<?,?>) obj).isEmpty());
         }
         return Boolean.FALSE;
     }