fixed LGTM (examplehub#73)

* fixed LGTM

* fixed try resource management LGTM

* Formatted with Google Java Formatter

Co-authored-by: github-actions <${GITHUB_ACTOR}@users.noreply.github.com>

Author: realDuYuanChao

src/main/java/com/examplehub/basics/SerializableExample.java

@@ -5,13 +5,35 @@
 public class SerializableExample {
   public static void main(String[] args) throws IOException, ClassNotFoundException {
     User user = new User(1, "root", "root");
-    try (ObjectOutputStream stream = new ObjectOutputStream(new FileOutputStream("user.data"))) {
+    FileOutputStream fos = null;
+    ObjectOutputStream stream = null;
+    try {
+      fos = new FileOutputStream("user.data");
+      stream = new ObjectOutputStream(fos);
       stream.writeObject(user);
+    } finally {
+      if (stream != null) {
+        stream.close();
+      }
+      if (fos != null) {
+        fos.close();
+      }
     }
 
-    try (ObjectInputStream inputStream = new ObjectInputStream(new FileInputStream("user.data"))) {
-      User newUser = (User) inputStream.readObject();
+    ObjectInputStream ois = null;
+    FileInputStream fis = null;
+    try {
+      fis = new FileInputStream("user.data");
+      ois = new ObjectInputStream(fis);
+      User newUser = (User) ois.readObject();
       System.out.println(newUser); /* User{id=1, username='root', password='root'} */
+    } finally {
+      if (fis != null) {
+        stream.close();
+      }
+      if (ois != null) {
+        ois.close();
+      }
     }
   }
 }

src/main/java/com/examplehub/projecteuler/Problem41.java

@@ -16,10 +16,6 @@ public static long solution1() {
         if (CharToInt.toInt(chars[j + 1]) - CharToInt.toInt(chars[j]) != 1) {
           break;
         }
-        if (j == chars.length - 1) {
-          System.out.println(i);
-          return i;
-        }
       }
     }
     return 0;