Jun 18, 2022 · Jun 14, 2022 · Jun 14, 2022
diff --git a/java/136-Single-Number.java b/java/136-Single-Number.java
 //We can use xor operation as it cancel out itself (i.e. only when values are different in binary representation then give output). See how xor operation works if confused.
 class Solution {
    public int singleNumber(int[] nums) {
        int ans = nums[0];
        for (int i = 1; i<nums.length; i++)
            ans ^= nums[i];
        return ans;
    }
 }
Original file line number	Diff line number	Diff line change
		@@ -0,0 +1,9 @@
		//We can use xor operation as it cancel out itself (i.e. only when values are different in binary representation then give output). See how xor operation works if confused.
		class Solution {
		public int singleNumber(int[] nums) {
		int ans = nums[0];
		for (int i = 1; i<nums.length; i++)
		ans ^= nums[i];
		return ans;
		}
		}