method to print some stats for a tree

pdb-utils/src/main/java/org/lucares/utils/ArrayUtils.java

@@ -0,0 +1,24 @@
+package org.lucares.utils;
+
+public class ArrayUtils {
+    public static int findFirst(final byte[] bytes, final byte key) {
+        for (int i = 0; i < bytes.length; i++) {
+            if (bytes[i] == key) {
+                return i;
+            }
+        }
+        return -1;
+    }
+
+    public static int countConsecutive(final byte[] bytes, final byte key, final int offset) {
+        int count = 0;
+        for (int i = offset; i < bytes.length; i++) {
+            if (bytes[i] == key) {
+                count++;
+            } else {
+                break;
+            }
+        }
+        return count;
+    }
+}