用Java写一个在线考试系统的代码
```
//Java Online Exam System
import java.util.*;
public class OnlineExam {
    public static void main(String[] args) {
中文写代码软件
        //Define array for questions and answers
        String[] questions = {"What is the capital of France?",
                              "What is the capital of Spain?",
                              "What is the capital of Germany?"};
        String[] answers = {"Paris", "Madrid", "Berlin"};
        //Welcome message
        System.out.println("Welcome to the Online Exam System!");
        //Start the exam
        Scanner scanner = new Scanner(System.in);
        System.out.println("Let's start the exam");
        //Loop through each question
        int numCorrect = 0;
        for (int i = 0; i < questions.length; i++) {
            System.out.println(questions[i]);
            String answer = Line();
            if (answer.equals(answers[i])) {
                numCorrect++;
            }
        }
        //Print results
        System.out.println("You got " + numCorrect + " out of " + questions.length + " correct!");
    }
}
```

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