Merge branch 'master' into master

Author: ronijpandey

NumberToWords.java

@@ -13,15 +13,15 @@ public static void main(String[] args) throws IOException {
         String l19[] = {"", "One ", "Two ", "Three ", "Four ", "Five ", "Six ", "Seven ", "Eight ", "Nine ", "Ten ", "Eleven ", "Twelve ", "Thirteen ", "Fourteen ", "Fifteen ", "Sixteen ", "Seventeen ", "Eighteen ", "Nineteen "};
         String l90[] = {"", "", "Twenty ", "Thirty ", "Forty ", "Fifty ", "Sixty ", "Seventy ", "Eighty ", "Ninety "};
         //System.out.println("Enter input:");
-        t = Integer.parseInt(in.readLine());
+        t = Integer.parseInt(in.readLine());    //taking number as input
         while (t > 0) {
             ans = "";
             int c = 12;
             s = in.readLine();
             l = s.length();
             int n[] = new int[13];
             for (int i = l - 1; i >= 0; i--, c--) {
-                n[c] = s.charAt(i) - 48;    //extracting character
+                n[c] = s.charAt(i) - 48;    //extracting character and converting character to integer
             }
             y = 0;
             for (int i = ++c; i < 13; i++) {