The four arithmetic operators: +, -, *, /.
public class MainClass {
public static void main(String[] args) {
double numA = 50.0E-1; // 5.0
double numB = 1.0E1; // 10.0
double averageC = 0.0;
averageC = (numA + numB) / 2.0;
System.out.println(averageC);
}
}
7.5