/* EXPECTED OUTPUT:

How many names: 5
Enter a first name and gender (M or F): Pravin M
Enter a first name and gender (M or F): Susan f
Enter a first name and gender (M or F): Lillian F
Enter a first name and gender (M or F): Stephen m
Enter a first name and gender (M or F): Kate F

3 women (60.0%), 2 men (40.0%)
Total letters in all names: 30
Longest name: Lillian (7 letters)
*/

// Reads several names and produces gender and name-length stats about them.
public class Names {
    public static void main(String[] args) {
        // cumulative sum (book 4.3)
        // declare cumulative variables outside loop
        Scanner console = new Scanner(System.in);
        int names = 5;
        int numMen = 0;
        int numWomen = 0;
        
        for (int i = 1; i <= names; i++) {
            System.out.print("Enter a first name and gender (M or F): ");
            String name = console.next();
            String gender = console.next().toLowerCase();
            if (gender.equals("m")) {
                numMen++;
            } else {  // "f"
                numWomen++;
            }
        }
        
        double pctWomen = 100.0 * numWomen / names;
        double pctMen = 100.0 * numMen / names;
        System.out.println(numWomen + " women (" + pctWomen + "%), " + numMen + " men (" + pctMen + "%)");
    }
}