Write a program that will: First, add 2 double numbers void add1 (double n1, double n2) //main will prompt the user to enter 2 double numbers and then pass them to add1 method. The method will calculate sum and print result Second, add 2 integer numbers void add2() //main will invoke the method. The method will prompt the user to enter the 2 numbers, sum then print result Third, add 3 double numbers double add3 (double n1, double n2, double n3) //main will prompt the user to enter 3 double numbers and then pass them to add3 method. The method will calculate sum and return result to main. main //will display result Fourth, add 3 integer numbers double add4 () // Main will invoke the method. The method will prompt the user to enter 3 numbers, sum then return value to main. main will display result.
Question 1:
Write a
First, add 2 double numbers
void add1 (double n1, double n2)
//main will prompt the user to enter 2 double numbers and then pass them to add1 method. The method will calculate sum and print result
Second, add 2 integer numbers
void add2()
//main will invoke the method. The method will prompt the user to enter the 2 numbers, sum then print result
Third, add 3 double numbers
double add3 (double n1, double n2, double n3)
//main will prompt the user to enter 3 double numbers and then pass them to add3 method. The method will calculate sum and return result to main. main //will display result
Fourth, add 3 integer numbers
double add4 ()
// Main will invoke the method. The method will prompt the user to enter 3 numbers, sum then return value to main. main will display result.
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