style: enable AvoidStarImport in checkstyle (TheAlgorithms#5141)

Author: vil02

checkstyle.xml

@@ -120,7 +120,7 @@
 
     <!-- Checks for imports                              -->
     <!-- See https://checkstyle.org/checks/imports/index.html -->
-    <!-- TODO <module name="AvoidStarImport"/> -->
+    <module name="AvoidStarImport"/>
     <module name="IllegalImport"/> <!-- defaults to sun.* packages -->
     <module name="RedundantImport"/>
     <module name="UnusedImports">

src/main/java/com/thealgorithms/backtracking/AllPathsFromSourceToTarget.java

@@ -8,7 +8,8 @@
 /**Wikipedia link -> https://en.wikipedia.org/wiki/Shortest_path_problem */
 package com.thealgorithms.backtracking;
 
-import java.util.*;
+import java.util.ArrayList;
+import java.util.List;
 
 public class AllPathsFromSourceToTarget {
 

src/main/java/com/thealgorithms/backtracking/ArrayCombination.java

@@ -1,6 +1,7 @@
 package com.thealgorithms.backtracking;
 
-import java.util.*;
+import java.util.List;
+import java.util.TreeSet;
 
 /**
  * Finds all permutations of 1...n of length k

src/main/java/com/thealgorithms/backtracking/Combination.java

@@ -1,6 +1,9 @@
 package com.thealgorithms.backtracking;
 
-import java.util.*;
+import java.util.Arrays;
+import java.util.LinkedList;
+import java.util.List;
+import java.util.TreeSet;
 
 /**
  * Finds all permutations of given array

src/main/java/com/thealgorithms/backtracking/KnightsTour.java

@@ -1,6 +1,8 @@
 package com.thealgorithms.backtracking;
 
-import java.util.*;
+import java.util.ArrayList;
+import java.util.Comparator;
+import java.util.List;
 
 /*
     * Problem Statement: -

src/main/java/com/thealgorithms/backtracking/MColoring.java

@@ -1,6 +1,10 @@
 package com.thealgorithms.backtracking;
 
-import java.util.*;
+import java.util.ArrayList;
+import java.util.HashSet;
+import java.util.LinkedList;
+import java.util.Queue;
+import java.util.Set;
 
 /**
  * @author Bama Charan Chhandogi (https://github.com/BamaCharanChhandogi)

src/main/java/com/thealgorithms/ciphers/AESEncryption.java

@@ -3,7 +3,12 @@
 import java.security.InvalidAlgorithmParameterException;
 import java.security.InvalidKeyException;
 import java.security.NoSuchAlgorithmException;
-import javax.crypto.*;
+import javax.crypto.BadPaddingException;
+import javax.crypto.Cipher;
+import javax.crypto.IllegalBlockSizeException;
+import javax.crypto.KeyGenerator;
+import javax.crypto.NoSuchPaddingException;
+import javax.crypto.SecretKey;
 import javax.crypto.spec.GCMParameterSpec;
 
 /**

src/main/java/com/thealgorithms/conversions/BinaryToHexadecimal.java

@@ -1,6 +1,7 @@
 package com.thealgorithms.conversions;
 
-import java.util.*;
+import java.util.HashMap;
+import java.util.Scanner;
 
 /**
  * Converts any Binary Number to a Hexadecimal Number

src/main/java/com/thealgorithms/conversions/RomanToInteger.java

@@ -1,6 +1,7 @@
 package com.thealgorithms.conversions;
 
-import java.util.*;
+import java.util.HashMap;
+import java.util.Map;
 
 public class RomanToInteger {
 

src/main/java/com/thealgorithms/datastructures/dynamicarray/DynamicArray.java

@@ -1,6 +1,10 @@
 package com.thealgorithms.datastructures.dynamicarray;
 
-import java.util.*;
+import java.util.Arrays;
+import java.util.ConcurrentModificationException;
+import java.util.Iterator;
+import java.util.NoSuchElementException;
+import java.util.Objects;
 import java.util.function.Consumer;
 import java.util.stream.Stream;
 import java.util.stream.StreamSupport;