import java.util.Scanner;
public class study3 {
public static void main(String[] args)
{
final int NUMBER_OF_QUESTIONS = 5;
int correctCount = 0;
int count = 0;
long startTime = System.currentTimeMillis();
String output = "";
Scanner input = new Scanner(System.in);
while( count < NUMBER_OF_QUESTIONS)
{
int number1 = (int)(Math.random()*10);
int number2 = (int)(Math.random()*10);
if(number1 < number2){
int temp = number1;
number1 = number2;
number2 = temp;
}
System.out.print("What is "+ number1 + " - "+ number2 + "?");
int answer = input.nextInt();
if(number1 - number2 == answer){
System.out.println("You are correct!");
correctCount++;
}
else{
System.out.println("Your answer is wrong.\n"+number1+"-"+number2+
"should be"+(number1 - number2));
}
count++;
output +="\n" + number1 + "-" + number2 + "=" +answer +
((number1 - number2 == answer)? "correct":"wrong");
}
long endTime = System.currentTimeMillis();
long testTime = endTime - startTime;
System.out.println("Correct count is "+ correctCount +
"\nTest time is "+ testTime / 1000 + "seconds\n" + output);
}
}
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