8029141: Add @FunctionalInterface annotation to Callable interface

Reviewed-by: chegar, alanb
2013-12-04 18:02:33 +00:00 · 2013-12-04 18:02:33 +00:00 · e9e560db6d
commit e9e560db6d
parent 48000f4e2d
1 changed files with 1 additions and 0 deletions
--- a/jdk/src/share/classes/java/util/concurrent/Callable.java
+++ b/jdk/src/share/classes/java/util/concurrent/Callable.java
@ -54,6 +54,7 @@ package java.util.concurrent;
 * @author Doug Lea
 * @param <V> the result type of method {@code call}
 */
+@FunctionalInterface
 public interface Callable<V> {
    /**
     * Computes a result, or throws an exception if unable to do so.