examtest.java

基础性的JAVA源代码

package exec.day1002.exam;

import java.util.HashMap;
import java.util.Set;

public class ExamTest {
	private String option[] = {"A","B","C","D"};
	/**
	 * 创建考卷
	 * @param size
	 */
	public Paper createPaper(int size){
		Paper p = new Paper();
		for(int i=0;i<size;i++){
			//创建试题对象
			int num = (int)(Math.random()*option.length);
//			System.out.println(num);
			Question q = new Question(String.valueOf(i+1),"",option[num]);
			//添加若干选项
			for(int j=0;j<option.length;j++){
				q.addOption(option[j]);
			}
			//把试题添加到考卷中
			p.addQuestion(q);
		}
		return p;
	}
	
	/**
	 * 创建答卷
	 * @param size
	 * @return
	 */
	public AnswerSheet createAnswerSheet(Paper p,int size){
		AnswerSheet a = new AnswerSheet();
		HashMap questionMap = p.getQuestionMap();
		Set set = questionMap.keySet();
		for(Object obj:set){
			//获取题号
			String questionNum = (String)obj;
			//对每道题目创建一个正确答案
			int num = (int)(Math.random()*option.length);
			String rightAnswer = option[num];
			a.addAnswer(questionNum, rightAnswer);
		}
		return a;
	}
	public static void main(String[] args) {
		ExamTest t = new ExamTest();
		Paper p = t.createPaper(100);
		Exam exam = new Exam(p);
		for(int i=0;i<50;i++){
			AnswerSheet an = t.createAnswerSheet(p, 100);
			Student s = new Student("Student"+i,an,p);
			exam.addStudent(s);
		}
		//评卷
		exam.judge();
		//打印排名
		exam.print();
	}

}