diff --git a/solution/0190.Reverse Bits/Solution.java b/solution/0190.Reverse Bits/Solution.java
new file mode 100644
index 0000000000000..bcb8afa1cb8ae
--- /dev/null
+++ b/solution/0190.Reverse Bits/Solution.java	
@@ -0,0 +1,11 @@
+public class Solution {
+    // you need treat n as an unsigned value
+    public int reverseBits(int n) {
+        int res = 0;
+        for (int i = 0; i < 31; i++, n>>=1, res<<=1) {
+            res |= (n&1);
+        }
+        res |= (n&1);
+        return res;
+    }
+}
\ No newline at end of file