diff --git a/java/1929-concatenation-of-array.java b/java/1929-concatenation-of-array.java
new file mode 100644
index 000000000..d72d95db7
--- /dev/null
+++ b/java/1929-concatenation-of-array.java
@@ -0,0 +1,10 @@
+class Solution {
+    public int[] getConcatenation(int[] nums) {
+        int[] ans = new int[nums.length*2];
+        for(int i=0;i<nums.length;i++) {
+            ans[i] = nums[i];
+            ans[i+nums.length] = nums[i];
+        }
+        return ans;
+    }
+}
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