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-rw-r--r--src/main/java/design/controller/userinput/Action.java1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/main/java/design/controller/userinput/Action.java b/src/main/java/design/controller/userinput/Action.java
index 0569c48..0b52bfc 100644
--- a/src/main/java/design/controller/userinput/Action.java
+++ b/src/main/java/design/controller/userinput/Action.java
@@ -1,5 +1,6 @@
package design.controller.userinput;
+@FunctionalInterface
public interface Action {
void onCommand(String[] args);
}