bugfix checkstyle

Author: AlexSorb

app/build.gradle.kts

@@ -46,6 +46,3 @@ tasks.jacocoTestReport {
         csv.required.set(false)
     }
 }
-
-
-

app/src/main/java/hexlet/code/App.java

@@ -1,15 +1,16 @@
 package hexlet.code;
 
-import hexlet.code.source.Differ;
 import picocli.CommandLine;
 import picocli.CommandLine.Command;
 import picocli.CommandLine.Parameters;
 import picocli.CommandLine.Option;
+import hexlet.code.source.Differ;
 
 import java.io.IOException;
 import java.util.concurrent.Callable;
 
 
+
 @Command(name = "gendiff", mixinStandardHelpOptions = true, version = "gendiff 0.9",
     description = "Compares two configuration files and shows a difference.")
 public final class App implements Callable<Integer> {

app/src/main/java/hexlet/code/source/Differ.java

@@ -42,7 +42,7 @@ public static String generate(String filePath1, String filePath2, String format)
         keySet.addAll(dataSecond.keySet());
 
         keySet.forEach(key -> {
-            String stage = "";
+            String stage;
             var dataFirstValue = dataFirst.get(key) == null ? "null" : dataFirst.get(key);
             var dataSecondValue = dataSecond.get(key) == null ? "null" : dataSecond.get(key);