add SingleNumber

Ken-Yang · Ken-Yang · commit 047e5364d7d3 · 2014-01-21T19:17:47.000+08:00
diff --git a/Java/src/net/kenyang/algorithm/Solution.java b/Java/src/net/kenyang/algorithm/Solution.java
@@ -0,0 +1,13 @@
+package net.kenyang.algorithm;
+
+public class Solution {
+    
+    public int singleNumber(int[] A) {
+        int num = 0;
+        for (int i = 0; i < A.length; i++) {
+            num ^= A[i];
+        }
+        return num;
+    }
+
+}
