linter errors resolved

Author: mjk22071998

src/main/java/com/thealgorithms/greedyalgorithms/DigitSeparation.java

@@ -17,10 +17,10 @@ public DigitSeparation() {
      */
     public List<Long> digitSeparationReverseOrder(long largeNumber) {
         List<Long> result = new ArrayList<>();
-        if (largeNumber!=0) {
+        if (largeNumber != 0) {
             while (largeNumber > 0) {
-                result.add(largeNumber%10);
-                largeNumber = largeNumber/10;
+                result.add(largeNumber % 10);
+                largeNumber = largeNumber / 10;
             }
         } else {
             result.add(0L);

src/test/java/com/thealgorithms/greedyalgorithms/DigitSeparationTest.java

@@ -2,6 +2,7 @@
 
 import org.junit.jupiter.api.Test;
 import static org.junit.jupiter.api.Assertions.assertEquals;
+
 import java.util.List;
 
 public class DigitSeparationTest {