execute around lambda

2018-09-07 22:29:51 -04:00
parent 038befea26
commit ec6d2a8ebe
2 changed files with 7 additions and 10 deletions
--- a/execute-around/src/main/java/com/iluwatar/execute/around/FileWriterAction.java
+++ b/execute-around/src/main/java/com/iluwatar/execute/around/FileWriterAction.java
@ -30,6 +30,7 @@ import java.io.IOException;
 * Interface for specifying what to do with the file resource.
 *
 */
+@FunctionalInterface
 public interface FileWriterAction {

  void writeFile(FileWriter writer) throws IOException;