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# Open a new C# program file named DemoVariables2, and enter the following statements to start a program that demonstrates arithmetic operations:

INSTRUCTIONS TO CANDIDATES

Performing Arithmetic

In the following steps, you add some arithmetic statements to a program.

1. Open a new C# program file named DemoVariables2, and enter the following statements to start a program that demonstrates arithmetic operations:

using static System.Console;

class DemoVariables2

{

static void Main()

{

2. Write a statement that declares seven integer variables. Assign initial values to two of the variables; the values for the other five variables will be calculated. Because all of these variables are the same type, you can use a single statement to declare all seven integers. Recall that to do this, you insert commas between variable names and place a single semicolon at the end. You can place line breaks wherever you want for readability. (Alternatively, you could use as many as seven separate declarations.)

int valuel 43, value2 = 10,

sum, diff, product, quotient, remainder;

3. Write the arithmetic statements that calculate the sum of, difference between, product of, quotient of, and remainder of the two assigned variables.

sum = valuel + value2;

diff valuel - value2; product valuel value2; quotient valuel / value2;

remainder = value1 % value2;

Instead of declaring the variables sum, diff, product, quotient, and remainder and assigning values later, you could declare and assign all of them at once, as in int sum = value1 + value2;. The only requirement is that valuel and value2 must be assigned values before you can use them in a calculation.

4. Include five writeLine() statements to display the results.

WriteLine("The sum of {0} and {1} is {2}",

valuel, value2, sum);

WriteLine("The difference between {0} and {1}" +

" is {2}", valuel, value2, diff);

(continues)

CHAPTER 2 Using Data

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