added graph algorithm

Author: vickygit-commits

src/main/java/com/thealgorithms/graph/StronglyConnectedComponentOptimized.java

@@ -1,9 +1,8 @@
-import java.util.List;
-import java.util.Stack;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.HashMap;
-
+import java.util.List;
+import java.util.Stack;
 /**
  * Finds the strongly connected components in a directed graph.
  *

src/test/java/com/thealgorithms/graph/StronglyConnectedComponentOptimizedTest.java

@@ -1,12 +1,11 @@
+import static org.junit.jupiter.api.Assertions.assertEquals;
+
 import java.util.ArrayList;
 import java.util.HashMap;
 import java.util.List;
-
 import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
 
-import static org.junit.jupiter.api.Assertions.assertEquals;
-
 public class StronglyConnectedComponentOptimizedTest {
 
     private StronglyConnectedComponentOptimized sccOptimized;