style: enable AvoidStarImport in checkstyle (#5141)

src/main/java/com/thealgorithms/others/Conway.java

@@ -1,6 +1,8 @@
 package com.thealgorithms.others;
 
-import java.util.*;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
 
 public class Conway {
 

src/main/java/com/thealgorithms/others/Dijkstra.java

@@ -15,7 +15,10 @@ package com.thealgorithms.others;
  * https://rosettacode.org/wiki/Dijkstra%27s_algorithm#Java Also most of the
  * comments are from RosettaCode.
  */
-import java.util.*;
+import java.util.HashMap;
+import java.util.Map;
+import java.util.NavigableSet;
+import java.util.TreeSet;
 
 public class Dijkstra {
 

src/main/java/com/thealgorithms/others/InsertDeleteInArray.java

@@ -1,6 +1,6 @@
 package com.thealgorithms.others;
 
-import java.util.*;
+import java.util.Scanner;
 
 public class InsertDeleteInArray {
 

src/main/java/com/thealgorithms/others/KochSnowflake.java

@@ -1,6 +1,8 @@
 package com.thealgorithms.others;
 
-import java.awt.*;
+import java.awt.BasicStroke;
+import java.awt.Color;
+import java.awt.Graphics2D;
 import java.awt.image.BufferedImage;
 import java.io.File;
 import java.io.IOException;

src/main/java/com/thealgorithms/others/Mandelbrot.java

@@ -1,6 +1,6 @@
 package com.thealgorithms.others;
 
-import java.awt.*;
+import java.awt.Color;
 import java.awt.image.BufferedImage;
 import java.io.File;
 import java.io.IOException;

src/main/java/com/thealgorithms/others/PageRank.java

@@ -1,6 +1,6 @@
 package com.thealgorithms.others;
 
-import java.util.*;
+import java.util.Scanner;
 
 class PageRank {
 

src/main/java/com/thealgorithms/others/RotateMatriceBy90Degree.java

@@ -4,7 +4,7 @@ package com.thealgorithms.others;
  * Given a matrix of size n x n We have to rotate this matrix by 90 Degree Here
  * is the algorithm for this problem .
  */
-import java.util.*;
+import java.util.Scanner;
 
 class Rotate_by_90_degree {
 

src/main/java/com/thealgorithms/others/TopKWords.java

@@ -1,7 +1,13 @@
 package com.thealgorithms.others;
 
-import java.io.*;
-import java.util.*;
+import java.io.FileInputStream;
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.Comparator;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.Scanner;
 
 /* display the most frequent K words in the file and the times it appear
 in the file – shown in order (ignore case and periods) */