diff --git a/lc-isf-tc/src/main/java/lc/isf/tc/ScreenController.java b/lc-isf-tc/src/main/java/lc/isf/tc/ScreenController.java
index 582705e92b2cf03844ef546ee1c518f04999f690..0e70d46e9634d548b1e4d7140c157d836c973f59 100644
--- a/lc-isf-tc/src/main/java/lc/isf/tc/ScreenController.java
+++ b/lc-isf-tc/src/main/java/lc/isf/tc/ScreenController.java
@@ -20,10 +20,7 @@ import java.io.BufferedReader;
 import java.io.IOException;
 import java.io.InputStream;
 import java.io.InputStreamReader;
-import java.util.ArrayList;
-import java.util.Arrays;
-import java.util.HashMap;
-import java.util.Map;
+import java.util.*;
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 
@@ -158,7 +155,7 @@ public class ScreenController {
     public void popupMessage(String msg) {
         Panel contentArea = new Panel();
         Window win = new BasicWindow();
-        win.setHints(Arrays.asList(Window.Hint.CENTERED));
+        win.setHints(List.of(Window.Hint.CENTERED));
 
         contentArea.addComponent(new Label(msg));
         Button b = new Button("OK");