JAVA

how to search element in sorted array using java

while(low<=high)
        {
            mid=low + ((high - low) / 2);;
 
            if(arr[mid]==number)
            {
                return mid;
            }
            if(arr[mid]<=arr[high])
            {
                // Right part is sorted
                if(number > arr[mid] && number <=arr[high])
                {
                    low=mid+1;
                }
                else
                {
                    high=mid-1;
                }
            }
            else
            {
                // Left part is sorted
                if(arr[low]<=number && number < arr[mid])
                {
                    high=mid-1;
                }
                else
                {
                    low=mid+1;
                }
            }
        }
        return -1;
    }
}