Write a Java method to compute the average of three numbers.

Source Code:

public class AverageNumber {
public static void main(String[] args) {
double result = computeAverage(10, 20, 30);
System.out.println(result);
}

public static double computeAverage(double a, double b, double c) {
return (a + b + c) / 3;
}
}

Output: