StringXOR Debug and fine solution

Author: jeanbou

HackerRank/Java/Problem_Solving/Problem105_StringsXOR_Debug_PlusPlus.class

@@ -0,0 +1,43 @@
+package hackerRank_JavaProblemSolving;
+
+import java.util.*;
+
+public class Problem105_StringsXOR_Debug_PlusPlus {
+
+// More efficient proposal
+public static String stringsXOREfficientSolution(String s, String t) {
+ StringBuilder sb = new StringBuilder();
+ for(int i = 0; i < s.length(); i++) {
+ if(s.charAt(i) != t.charAt(i)) {
+ sb.append('1');
+ } else {
+ sb.append('0');
+ }
+ }
+ return sb.toString().trim(); 
+ } // stringsXOREfficientSolution
+
+// Debugged and submitted
+public static String stringsXOR(String s, String t) {
+ String res = new String("");
+ for(int i = 0; i < s.length(); i++) {
+ if(s.charAt(i) == t.charAt(i))
+ res += "0";
+ else
+ res += "1";
+ }
+
+ return res;
+ }
+
+ public static void main(String[] args) {
+
+ String s, t;
+ Scanner in = new Scanner(System.in);
+ s = in.nextLine();
+ t = in.nextLine();
+ System.out.println(stringsXOR(s, t));
+
+ }
+
+}