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package quiz; //assigns package name
import java.util.Scanner; //adds Scanner utility from java library
import java.util.Random; //adds Random utility from java library
public class Quiz //start Quiz class
{
String question; //initializes question string
String answer; //initializes answer variable
int correct=0, number; //initializes scoring variables
Quiz[] quizBank = new Quiz[20]; //initializes quizBank array
public static void main(String[] args) //start of main
{
Quiz bank = new Quiz(); //creates new Quiz object
bank.bankList(); //assigns name of portion of program to build the collection of questions and answers
bank.askQuestion(); //assigns name of portion of program to ask the questions
} //end main
public void bankList() //start of bankList
{
quizBank[0] = new Quiz(); //Creates new object
quizBank[0].question = "The smallest prime number"; //Initialize object variables
quizBank[0].answer = "2"; //Initialize object variables
quizBank[1] = new Quiz(); //Creates new object
quizBank[1].question = "Area of triangle with base = 4 and height = 3"; //Initialize object variables
quizBank[1].answer = "6"; //Initialize object variables
quizBank[2] = new Quiz(); //Creates new object
quizBank[2].question = "Area of square with side = 5"; //Initialize object variables
quizBank[2].answer = "25"; //Initialize object variables
quizBank[3] = new Quiz(); //Creates new object
quizBank[3].question = "Square root of 144"; //Initialize object variables
quizBank[3].answer = "12"; //Initialize object variables
quizBank[4] = new Quiz(); //Creates new object
quizBank[4].question = "No. of states in US"; //Initialize object variables
quizBank[4].answer = "50"; //Initialize object variables
quizBank[5] = new Quiz(); //Creates new object
quizBank[5].question = "No. of continents in the world"; //Initialize object variables
quizBank[5].answer = "7"; //Initialize object variables
quizBank[6] = new Quiz(); //Creates new object
quizBank[6].question = "In which year did man land on the moon"; //Initialize object variables
quizBank[6].answer = "1969"; //Initialize object variables
quizBank[7] = new Quiz(); //Creates new object
quizBank[7].question = "How many colors in a rainbow"; //Initialize object variables
quizBank[7].answer = "7"; //Initialize object variables
quizBank[8] = new Quiz(); //Creates new object
quizBank[8].question = "How many colors in the US flag"; //Initialize object variables
quizBank[8].answer = "3"; //Initialize object variables
quizBank[9] = new Quiz(); //Creates new object
quizBank[9].question = "Square of 25"; //Initialize object variables
quizBank[9].answer = "625"; //Initialize object variables
quizBank[10] = new Quiz(); //Creates new object
quizBank[10].question = "The smallest square number"; //Initialize object variables
quizBank[10].answer = "8"; //Initialize object variables
quizBank[11] = new Quiz(); //Creates new object
quizBank[11].question = "What is the square root of 16"; //Initialize object variables
quizBank[11].answer = "4"; //Initialize object variables
quizBank[12] = new Quiz(); //Creates new object
quizBank[12].question = "Area of square with side = 10"; //Initialize object variables
quizBank[12].answer = "25"; //Initialize object variables
quizBank[13] = new Quiz(); //Creates new object
quizBank[13].question = "Square root of 36"; //Initialize object variables
quizBank[13].answer = "6"; //Initialize object variables
quizBank[14] = new Quiz(); //Creates new object
quizBank[14].question = "No. of sides on a cube"; //Initialize object variables
quizBank[14].answer = "6"; //Initialize object variables
quizBank[15] = new Quiz(); //Creates new object
quizBank[15].question = "No. of 0's in a MILLION"; //Initialize object variables
quizBank[15].answer = "6"; //Initialize object variables
quizBank[16] = new Quiz(); //Creates new object
quizBank[16].question = "how many years in a century"; //Initialize object variables
quizBank[16].answer = "100"; //Initialize object variables
quizBank[17] = new Quiz(); //Creates new object
quizBank[17].question = "What colour do you get when mixing blue and yellow"; //Initialize object variables
quizBank[17].answer = "green"; //Initialize object variables
quizBank[18] = new Quiz(); //Creates new object
quizBank[18].question = "How many colors in the French flag"; //Initialize object variables
quizBank[18].answer = "3"; //Initialize object variables
quizBank[19] = new Quiz(); //Creates new object
quizBank[19].question = "Cube root of 8"; //Initialize object variables
quizBank[19].answer = "2"; //Initialize object variables
} //end of bankList
public void askQuestion() //start of askQuestion
{
Scanner input = new Scanner(System.in); //prepare to read input from keyboard
System.out.println("********************************"); //prints heading top border
System.out.println(" Welcome to my Quiz Application"); //prints heading
System.out.println("********************************"); //prints heading bottom border
for (number=1; number<=20; number++) //start of counter for loop
{
Random draw = new Random(); //creates new random object
int choose = draw.nextInt(20); //randomly chooses a question
System.out.printf("%d. %s?%n", number, quizBank[choose].question); //prints question
String entered = input.nextLine(); //read input
if (entered.compareTo(quizBank[choose].answer)==0) //checks the users input
{
System.out.println("*** Correct! ***"); //prints correct response
correct = correct + 1; //counts number of correct answers
}
else //start of response for wrong answers
System.out.println("--- Incorrect! ---"); //print the incorrect response
} //end of counter for loop
System.out.println("*******************"); //prints footer top border
System.out.printf(" Your score is %d/%d%n", correct, number-1); //prints results
System.out.println("*******************"); //prints footer bottom border
} //end of askQuestion
} //end public class