diff --git a/src/main/java/practice/CandidateValidator.java b/src/main/java/practice/CandidateValidator.java
index 00ddd93f..b52818a3 100644
--- a/src/main/java/practice/CandidateValidator.java
+++ b/src/main/java/practice/CandidateValidator.java
@@ -1,15 +1,14 @@
 package practice;
 
-import model.Candidate;
-
 import java.util.function.Predicate;
+import model.Candidate;
 
 public class CandidateValidator implements Predicate<Candidate> {
-    private final static int PERIOD = 10;
-    private final static int MIN_AGE = 35;
-    private final static String SYMBOL = "-";
-    private final static int FROM = 0;
-    private final static int TO = 1;
+    private static final int PERIOD = 10;
+    private static final int MIN_AGE = 35;
+    private static final String SYMBOL = "-";
+    private static final int FROM = 0;
+    private static final int TO = 1;
 
     private final static String NATION = "Ukrainian";
 
diff --git a/src/main/java/practice/StreamPractice.java b/src/main/java/practice/StreamPractice.java
index d0de78cb..c5c04619 100644
--- a/src/main/java/practice/StreamPractice.java
+++ b/src/main/java/practice/StreamPractice.java
@@ -1,12 +1,14 @@
 package practice;
 
-import java.util.*;
+import model.Person;
+import model.Candidate;
+
+import java.util.Arrays;
+import java.util.List;
+import java.util.NoSuchElementException;
 import java.util.stream.Collectors;
 import java.util.stream.IntStream;
 
-import model.Candidate;
-import model.Person;
-
 public class StreamPractice {
     /**
      * Given list of strings where each element contains 1+ numbers:
@@ -24,6 +26,7 @@ public int findMinEvenNumber(List<String> numbers) {
                 .orElseThrow(() -> new RuntimeException("Can't get min value from list: "
                         + numbers));
     }
+
     /**
      * Given a List of Integer numbers,
      * return the average of all odd numbers from the list or throw NoSuchElementException.