Leetcode 1929

Author: PrathameshDhande22

Concatenation_of_Array_1929.java

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+package leetcode;
+
+import java.util.Arrays;
+
+class Solution1929 {
+	public int[] getConcatenation(int[] nums) {
+		int[] ans = new int[2 * nums.length];
+		for (int i = 0; i < nums.length; i++) {
+			ans[i] = nums[i];
+			ans[nums.length + i] = nums[i];
+		}
+		return ans;
+	}
+}
+
+public class Concatenation_of_Array_1929 {
+
+	public static void main(String[] args) {
+		Solution1929 ns = new Solution1929();
+//		int[] nums= {1,2,1};
+		int[] nums = { 1, 3, 2, 1 };
+		System.out.println(Arrays.toString(ns.getConcatenation(nums)));
+	}
+
+}