// This is the sample source code I wronte in class on 10/2, cleaned up a bit.

#include <iostream>
#include <String>

using namespace std;

int main()
{
	// these are primitive data type DECLARATIONS
    int i; // this is an integer variable
    int another;  // another integer variable

    int g, z, y, x; // declare multiple variables together

    int a=0, b, other=3; // you can mix and match declarations/initializations togther

    float f; // this is a float variable
    double d; // this is a double variable
    char c; // this is a char variable

    // Variable initializations
    i = 5;
    cout << "The BEFORE i value is:" << " " << i << endl;

    cout << endl; // here is just a line return on its own.

    i = another;
    cout << "Change to: " << i << endl; // prints the value of i

    i = i + 1;
    cout << "(i+1)= " << i << endl; // prints updated i value

    i = i * 5 + 1 - 3;
    cout << "(i*5+1-3)= " << i << endl; // prints updated i value


    i = 12.4; // converted to 12 by compiler
    f = 25.4999999; // no precision with this one.
    d = 23.34;  // doubles are used for dollar values since they are more precise then a float

    // print out i, f, d values in one line
    cout << " i = " << i << " f = " << f << " d = " << d << endl;

    // "String" is arelly an object type
    string n;

	double tank = 10;
	double freeway = 23.5;
	double highway = 28.6;

	// ask user for their name
	cout << "Enter your name: ";
    cin >> n;
    // prints out name + "Hello"
    cout << endl << "Hello " << n << endl;

    // you can declare a name on its own as well
    string myinfo = "My Info";
    cout << myinfo;

    cout << endl << "Enter an integer value: ";
    cin >> i;
    cout << endl << "The value you entered is: " << i << endl;

	return 0;
}