refactor: moved comments above class declarations

Author: DenizAltunkapan

src/main/java/com/thealgorithms/dynamicprogramming/UniquePaths.java

@@ -1,3 +1,7 @@
+package com.thealgorithms.dynamicprogramming;
+
+import java.util.Arrays;
+
 /**
  * Author: Siddhant Swarup Mallick
  * Github: https://github.com/siddhant2002
@@ -12,11 +16,6 @@
  * This program calculates the number of unique paths possible for a robot to reach the bottom-right corner
  * of an m x n grid using dynamic programming.
  */
-
-package com.thealgorithms.dynamicprogramming;
-
-import java.util.Arrays;
-
 public final class UniquePaths {
 
     private UniquePaths() {

src/main/java/com/thealgorithms/dynamicprogramming/WildcardMatching.java

@@ -1,3 +1,5 @@
+package com.thealgorithms.dynamicprogramming;
+
 /**
  *
  * Author: Janmesh Singh
@@ -11,9 +13,6 @@
  * Use DP to return True if the pattern matches the entire text and False otherwise
  *
  */
-
-package com.thealgorithms.dynamicprogramming;
-
 public final class WildcardMatching {
     private WildcardMatching() {
     }

src/main/java/com/thealgorithms/maths/DudeneyNumber.java

@@ -1,11 +1,11 @@
+package com.thealgorithms.maths;
+
 /**
  * A number is said to be Dudeney if the sum of the digits, is the cube root of the entered number.
  * Example- Let the number be 512, its sum of digits is 5+1+2=8. The cube root of 512 is also 8.
  *          Since, the sum of the digits is equal to the cube root of the entered number;
  *          it is a Dudeney Number.
  */
-package com.thealgorithms.maths;
-
 public final class DudeneyNumber {
     private DudeneyNumber() {
     }

src/main/java/com/thealgorithms/scheduling/RRScheduling.java

@@ -1,7 +1,3 @@
-/**
- * @author Md Asif Joardar
- */
-
 package com.thealgorithms.scheduling;
 
 import com.thealgorithms.devutils.entities.ProcessDetails;
@@ -11,6 +7,7 @@
 import java.util.Queue;
 
 /**
+ * @author Md Asif Joardar
  * The Round-robin scheduling algorithm is a kind of preemptive First come, First Serve CPU
  * Scheduling algorithm. This can be understood here -
  * https://www.scaler.com/topics/round-robin-scheduling-in-os/