Random Quiz in Java

 A simple random question quiz in Java programming language.

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Program Listing
import java.util.*;

public class Quiz {

	public static void main(String[] args) {
		// TODO Auto-generated method stub
		
		 // Create a HashMap to store the questions and answers
        HashMap<String, String> quiz = new HashMap<>();
        quiz.put("What is the capital of Philippines?", "Manila");
        quiz.put("What is fastest computer?", "Super Computer");
        quiz.put("What is the chemical symbol for gold?", "Au");
        quiz.put("What is the most common input device in the computer system?", "Keyboard");
        quiz.put("What is the most common pointing device in the computer system?", "Mouse");

        // Shuffle the questions
        List<String> questions = new ArrayList<>(quiz.keySet());
        Collections.shuffle(questions);

        // Initialize score
        int score = 0;

        // Start the quiz
        Scanner scanner = new Scanner(System.in);
        
        System.out.print("\n\tRandom Quiz in Java\n\n");
        
        for (String question : questions) {
            System.out.println(question);
            String answer = scanner.nextLine();

            // Check the answer
            if (answer.equalsIgnoreCase(quiz.get(question))) {
                System.out.println("Correct!");
                score++;
            } else {
                System.out.println("Incorrect!");
            }
            System.out.println();
        }

        // Display final score
        System.out.println("Quiz complete! Your score: " + score + "/" + quiz.size());

        // Close the scanner
        scanner.close();

	}

}