Answers to Self-Check Problems - Building Java Programs: A Back to Basics Approach - page 1047

double amount = console.nextDouble();
System.out.println();
int numBills = (int) (amount/20.0);
if (numBills * 20.0 < amount) {
numBills++;
}
return numBills;
}
}
10. Scanner console = new Scanner(System.in);
System.out.print("What color do you want? ");
String choice = console.nextLine();
if (choice.equalsIgnoreCase("r")) {
System.out.println("You have chosen Red.");
} else if (choice.equalsIgnoreCase("g")) {
System.out.println("You have chosen Green.");
} else if (choice.equalsIgnoreCase("b")) {
System.out.println("You have chosen Blue.");
} else {
System.out.println("Unknown color: " + choice);
}
11. Scanner console = new Scanner(System.in);
System.out.print("Enter a card: ");
String rank = console.next();
String suit = console.next();
if (rank.equals("2")) {
rank = "Two";
} else if (rank.equals("3")) {
rank = "Three";
} else if (rank.equals("4")) {
rank = "Four";
} else if (rank.equals("5")) {
rank = "Five";
} else if (rank.equals("6")) {
rank = "Six";
} else if (rank.equals("7")) {
rank = "Seven";
} else if (rank.equals("8")) {
rank = "Eight";
} else if (rank.equals("9")) {
rank = "Nine";
} else if (rank.equals("10")) {
rank = "Ten";