Array Mean and Median

// Java program to find median 
import java.util.*; 
  
class MeanMedian { 
  
    // Function for calculating median 
    public static double findMedian(int a[], int n) 
    { 
        // First we sort the array 
        Arrays.sort(a); 
  
        // check for even case 
        if (n % 2 != 0) 
            return (double)a[n / 2]; 
  
        return (double)(a[(n - 1) / 2] + a[n / 2]) / 2.0; 
    } 
    
    public static double findMean(int a[], int n) 
    { 
        double sum = 0;
        for(int i=0; i<n; i++)
            sum+=a[i];
  
        return (double)(sum / n); 
    } 
    // Driver program 
    public static void main(String args[]) 
    { 
        int a[] = { 1, 2, 100, 2, 7, 5, 8, 6 }; 
        int n = a.length; 
        System.out.println("Median = " + findMedian(a, n)); 
        System.out.println("Mean = " + findMean(a, n)); 
    } 
}