Math_Learning/src/Service/Generate_paper.java

package Service;

import Base.Question;
import Generator.G_ques;
import Generator.Jun_g_ques;
import Generator.Pri_g_ques;
import Generator.Sen_g_ques;

import java.util.ArrayList;

public class Generate_paper {
    public static ArrayList<Question> g_paper(int num,String type) {
        ArrayList<Question> result = new ArrayList<>();
        G_ques generator;
        switch (type){
            case "小学":{
                generator=new Pri_g_ques();
                break;
            }
            case "初中":{
                generator=new Jun_g_ques();
                break;
            }
            case "高中":{
                generator=new Sen_g_ques();
                break;
            }
            default:{
                generator=new Pri_g_ques();
            }
        }
        for (int i=0;i<num;i++){
            Question temp=new Question(i+1,generator.g_question(),generator.g_type());
            temp.set_options();
            result.add(temp);
        }
        return result;
    }
}