ARRAYSASSIGNMENT.java

import java.util.*;

public class ARRAYSASSIGNMENT {
    public static int search(int[] nums, int target) {
        int left = 0, right = nums.length - 1;
        while (left <= right) {
            int mid = (left + right) / 2;
            if (nums[mid] == target) {
                return mid;
            }
            if (nums[left] <= nums[mid]) { // Left half is sorted
                if (target >= nums[left] && target < nums[mid]) {
                    right = mid - 1;
                } else {
                    left = mid + 1;
                }
            } else { // Right half is sorted
                if (target > nums[mid] && target <= nums[right]) {
                    left = mid + 1;
                } else {
                    right = mid - 1;
                }
            }
        }
        return -1;
    }

    public static void main(String args[]) {
        int nums[] = { 2, 4, 6, 8, 9 };
        int target = 8;
        System.out.println(search(nums, target));
    }

}