fix linter issues

Author: varada610

src/main/java/com/thealgorithms/matrix/matrixexponentiation/Fibonacci.java

@@ -1,10 +1,9 @@
 package com.thealgorithms.matrix.matrixexponentiation;
 
+import com.thealgorithms.matrix.utils.MatrixUtil;
 import java.math.BigDecimal;
 import java.util.Scanner;
 
-import com.thealgorithms.matrix.utils.MatrixUtil;
-
 /**
  * @author Anirudh Buvanesh (https://github.com/anirudhb11) For more information
  * see https://www.geeksforgeeks.org/matrix-exponentiation/

src/main/java/com/thealgorithms/puzzlesandgames/Sudoku.java

@@ -9,9 +9,6 @@
  */
 final class Sudoku {
 
-    private Sudoku() {
-    }
-
     /**
      * Checks if placing a number in a specific position on the Sudoku board is safe.
      * The number is considered safe if it does not violate any of the Sudoku rules:

src/test/java/com/thealgorithms/maths/SquareFreeIntegerTest.java

@@ -1,9 +1,9 @@
 package com.thealgorithms.maths;
 
+import java.util.List;
+
 import static org.junit.jupiter.api.Assertions.assertEquals;
 import static org.junit.jupiter.api.Assertions.assertThrows;
-
-import java.util.List;
 import org.junit.jupiter.api.Test;
 
 import com.thealgorithms.maths.Prime.SquareFreeInteger;

src/test/java/com/thealgorithms/maths/prime/LiouvilleLambdaFunctionTest.java

@@ -2,10 +2,8 @@
 
 import static org.junit.jupiter.api.Assertions.assertEquals;
 import static org.junit.jupiter.api.Assertions.assertThrows;
-
-import org.junit.jupiter.api.Test;
-
 import com.thealgorithms.maths.Prime.LiouvilleLambdaFunction;
+import org.junit.jupiter.api.Test;
 
 class LiouvilleLambdaFunctionTest {
 

src/test/java/com/thealgorithms/maths/prime/MillerRabinPrimalityCheckTest.java

@@ -2,9 +2,9 @@
 
 import static org.junit.jupiter.api.Assertions.assertFalse;
 import static org.junit.jupiter.api.Assertions.assertTrue;
-import org.junit.jupiter.api.Test;
 
 import com.thealgorithms.maths.Prime.MillerRabinPrimalityCheck;
+import org.junit.jupiter.api.Test;
 
 class MillerRabinPrimalityCheckTest {
     @Test

src/test/java/com/thealgorithms/maths/MobiusFunctionTest.java renamed to src/test/java/com/thealgorithms/maths/prime/MobiusFunctionTest.java

@@ -1,11 +1,9 @@
-package com.thealgorithms.maths;
+package com.thealgorithms.maths.prime;
 
 import static org.junit.jupiter.api.Assertions.assertEquals;
 import static org.junit.jupiter.api.Assertions.assertThrows;
-
-import org.junit.jupiter.api.Test;
-
 import com.thealgorithms.maths.Prime.MobiusFunction;
+import org.junit.jupiter.api.Test;
 
 class MobiusFunctionTest {
 

src/test/java/com/thealgorithms/maths/prime/PrimeCheckTest.java

@@ -1,10 +1,9 @@
 package com.thealgorithms.maths.prime;
 
+import com.thealgorithms.maths.Prime.PrimeCheck;
 import org.junit.jupiter.api.Assertions;
 import org.junit.jupiter.api.Test;
 
-import com.thealgorithms.maths.Prime.PrimeCheck;
-
 public class PrimeCheckTest {
 
     @Test

src/test/java/com/thealgorithms/maths/prime/PrimeFactorizationTest.java

@@ -4,12 +4,11 @@
 import java.util.stream.Stream;
 
 import static org.junit.jupiter.api.Assertions.assertEquals;
+import com.thealgorithms.maths.Prime.PrimeFactorization;
 import org.junit.jupiter.params.ParameterizedTest;
 import org.junit.jupiter.params.provider.Arguments;
 import org.junit.jupiter.params.provider.MethodSource;
 
-import com.thealgorithms.maths.Prime.PrimeFactorization;
-
 class PrimeFactorizationTest {
 
     @ParameterizedTest

src/test/java/com/thealgorithms/matrix/MatrixRankTest.java

@@ -1,10 +1,10 @@
 package com.thealgorithms.matrix;
 
-import java.util.Arrays;
-import java.util.stream.Stream;
-
 import static org.junit.jupiter.api.Assertions.assertEquals;
 import static org.junit.jupiter.api.Assertions.assertThrows;
+
+import java.util.Arrays;
+import java.util.stream.Stream;
 import org.junit.jupiter.params.ParameterizedTest;
 import org.junit.jupiter.params.provider.Arguments;
 import org.junit.jupiter.params.provider.MethodSource;

src/test/java/com/thealgorithms/matrix/MatrixUtilTest.java

@@ -1,13 +1,13 @@
 package com.thealgorithms.matrix;
 
+import static org.junit.jupiter.api.Assertions.assertTrue;
+
+import com.thealgorithms.matrix.utils.MatrixUtil;
 import java.math.BigDecimal;
 import java.util.Objects;
 
-import static org.junit.jupiter.api.Assertions.assertTrue;
 import org.junit.jupiter.api.Test;
 
-import com.thealgorithms.matrix.utils.MatrixUtil;
-
 class MatrixUtilTest {
 
     @Test