style: enable MethodName in CheckStyle (#5182)

enabled: MethodName in CheckStyle

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

@@ -11,7 +11,7 @@ public final class CountChar {
      * @return number of character in the specified string
      */
 
-    public static int CountCharacters(String str) {
+    public static int countCharacters(String str) {
         return str.replaceAll("\\s", "").length();
     }
 }

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

@@ -13,11 +13,11 @@ public final class KMP {
     public static void main(String[] args) {
         final String haystack = "AAAAABAAABA"; // This is the full string
         final String needle = "AAAA"; // This is the substring that we want to find
-        KMPmatcher(haystack, needle);
+        kmpMatcher(haystack, needle);
     }
 
     // find the starting index in string haystack[] that matches the search word P[]
-    public static void KMPmatcher(final String haystack, final String needle) {
+    public static void kmpMatcher(final String haystack, final String needle) {
         final int m = haystack.length();
         final int n = needle.length();
         final int[] pi = computePrefixFunction(needle);

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

@@ -33,7 +33,7 @@ public final class KochSnowflake {
         ArrayList<Vector2> vectors = new ArrayList<Vector2>();
         vectors.add(new Vector2(0, 0));
         vectors.add(new Vector2(1, 0));
-        ArrayList<Vector2> result = Iterate(vectors, 1);
+        ArrayList<Vector2> result = iterate(vectors, 1);
 
         assert result.get(0).x == 0;
         assert result.get(0).y == 0;
@@ -54,7 +54,7 @@ public final class KochSnowflake {
         int imageWidth = 600;
         double offsetX = imageWidth / 10.;
         double offsetY = imageWidth / 3.7;
-        BufferedImage image = GetKochSnowflake(imageWidth, 5);
+        BufferedImage image = getKochSnowflake(imageWidth, 5);
 
         // The background should be white
         assert image.getRGB(0, 0) == new Color(255, 255, 255).getRGB();
@@ -80,10 +80,10 @@ public final class KochSnowflake {
      * @param steps The number of iterations.
      * @return The transformed vectors after the iteration-steps.
      */
-    public static ArrayList<Vector2> Iterate(ArrayList<Vector2> initialVectors, int steps) {
+    public static ArrayList<Vector2> iterate(ArrayList<Vector2> initialVectors, int steps) {
         ArrayList<Vector2> vectors = initialVectors;
         for (int i = 0; i < steps; i++) {
-            vectors = IterationStep(vectors);
+            vectors = iterationStep(vectors);
         }
 
         return vectors;
@@ -96,7 +96,7 @@ public final class KochSnowflake {
      * @param steps The number of iterations.
      * @return The image of the rendered Koch snowflake.
      */
-    public static BufferedImage GetKochSnowflake(int imageWidth, int steps) {
+    public static BufferedImage getKochSnowflake(int imageWidth, int steps) {
         if (imageWidth <= 0) {
             throw new IllegalArgumentException("imageWidth should be greater than zero");
         }
@@ -111,8 +111,8 @@ public final class KochSnowflake {
         initialVectors.add(vector2);
         initialVectors.add(vector3);
         initialVectors.add(vector1);
-        ArrayList<Vector2> vectors = Iterate(initialVectors, steps);
-        return GetImage(vectors, imageWidth, imageWidth);
+        ArrayList<Vector2> vectors = iterate(initialVectors, steps);
+        return getImage(vectors, imageWidth, imageWidth);
     }
 
     /**
@@ -125,7 +125,7 @@ public final class KochSnowflake {
      * applied.
      * @return The transformed vectors after the iteration-step.
      */
-    private static ArrayList<Vector2> IterationStep(ArrayList<Vector2> vectors) {
+    private static ArrayList<Vector2> iterationStep(ArrayList<Vector2> vectors) {
         ArrayList<Vector2> newVectors = new ArrayList<Vector2>();
         for (int i = 0; i < vectors.size() - 1; i++) {
             Vector2 startVector = vectors.get(i);
@@ -149,7 +149,7 @@ public final class KochSnowflake {
      * @param imageHeight The height of the rendered image.
      * @return The image of the rendered edges.
      */
-    private static BufferedImage GetImage(ArrayList<Vector2> vectors, int imageWidth, int imageHeight) {
+    private static BufferedImage getImage(ArrayList<Vector2> vectors, int imageWidth, int imageHeight) {
         BufferedImage image = new BufferedImage(imageWidth, imageHeight, BufferedImage.TYPE_INT_RGB);
         Graphics2D g2d = image.createGraphics();
 

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

@@ -20,7 +20,7 @@ public final class LineSweep {
      *   param = ranges : Array of range[start,end]
      *   return Maximum Endpoint
      */
-    public static int FindMaximumEndPoint(int[][] ranges) {
+    public static int findMaximumEndPoint(int[][] ranges) {
         Arrays.sort(ranges, Comparator.comparingInt(a -> a[1]));
         return ranges[ranges.length - 1][1];
     }
@@ -32,7 +32,7 @@ public final class LineSweep {
      */
     public static boolean isOverlap(int[][] ranges) {
 
-        int maximumEndPoint = FindMaximumEndPoint(ranges);
+        int maximumEndPoint = findMaximumEndPoint(ranges);
         Arrays.sort(ranges, Comparator.comparingInt(a -> a[0]));
         int[] numberLine = new int[maximumEndPoint + 2];
         for (int[] range : ranges) {