B8 Day 16 sum method overriding

package mattroseb8wk3;
public class Day16B {
    public static void main(String[] args) {
        getTotal(43.78, 91.16);
        getTotal(12,19);
        getTotal(33.19,8);
        getTotal(18,90.44,27.6);
        double[] numArr1 = {12,44,32,12.6,92.4,44.8};
        getTotal(numArr1);
    }

    static void getTotal(double num1, double num2) {
        double numTotal = num1 + num2;
        System.out.println(String.format("%f + %f = %f"
                , num1, num2, numTotal));
    }

    static void getTotal(int num1, int num2) {
        int numTotal = num1 + num2;
        System.out.println(String.format("%d + %d = %d"
                , num1, num2, numTotal));
    }

    static void getTotal(double num1, double num2, double num3) {
        double numTotal = num1 + num2 + num3;
        System.out.println(String.format("%f + %f + %f = %f"
                , num1, num2, num3, numTotal));
    }

    static void getTotal(double[] numArray) {
        double numTotal = 0;
        String op = "+";
        for (int i = 0; i < numArray.length; i++) {
            numTotal += numArray[i];
            if (i == numArray.length - 1) {
                op = "=";
            }
            System.out.print(String.format("%f %s ", numArray[i], op));
        }
        System.out.println(numTotal);
    }
}