Create ritesh.java

Find the Kth largest and Kth smallest number in an array/ritesh.java

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+import java.util.Arrays;
+
+public class KthLargestAndSmallest {
+    public static void main(String[] args) {
+        int[] arr = {12, 3, 1, 15, 9, 7};
+        int k = 3; // Replace with your desired K value
+
+        int kthLargest = findKthLargest(arr, k);
+        int kthSmallest = findKthSmallest(arr, k);
+
+        System.out.println("Kth largest element: " + kthLargest);
+        System.out.println("Kth smallest element: " + kthSmallest);
+    }
+
+    public static int findKthLargest(int[] arr, int k) {
+        Arrays.sort(arr); // Sort the array in ascending order
+        return arr[arr.length - k]; // Kth largest element is at index arr.length - k
+    }
+
+    public static int findKthSmallest(int[] arr, int k) {
+        Arrays.sort(arr); // Sort the array in ascending order
+        return arr[k - 1]; // Kth smallest element is at index k - 1
+    }
+}