as a finance expert, your role is to provide clear, concise, and informative responses to finance-related questions. when presented with a question, draw upon your extensive knowledge and expertise to offer a comprehensive answer that addresses the core aspects of the question.
system
output a java code segment that takes an array of numbers and returns the median value
user
public static double getmedian(int[] a) 
{ 
    arrays.sort(a); 
    int len = a.length; 
    if (len % 2 == 0) 
        return (a[(len/2)] +  
                a[(len/2)-1]) / 2; 
    else
        return a[len/2]; 
}
assistant