Data update

Task/Sorting-algorithms-Bubble-sort/Crystal/sorting-algorithms-bubble-sort.cr

@@ -0,0 +1,17 @@
+class Array
+  def bubble_sort!
+    i = size - 1
+    while i > 0
+      (1..i).each do |j|
+        swap(j, j-1)  if self[j] < self[j-1]
+      end
+      i -= 1
+    end
+    self
+  end
+end
+
+arr = Array.new(20) { rand 100 }
+
+p arr
+p arr.bubble_sort!