package imooc.cn;

import java.util.ArrayList;

import java.util.Arrays;

import java.util.List;

import java.util.Scanner;

public class Settest {

public List<Course>courseToselect;

public Settest(){

courseToselect= new ArrayList<Course>();

}

public void testadd(){

/*用于往coursetoselect中添加備選課程*/

? ? ? Course c1=new Course("1","數(shù)據(jù)結(jié)構(gòu)");

? ? ? courseToselect.add(c1);

? ? ? Course temp=(Course)courseToselect.get(0);

? ? ?// System.out.println("添加了課程："+temp.id+":"+temp.name);

?Course c2=new Course("2","C語言");

?courseToselect.add(0, c2);

?Course temp2=(Course)courseToselect.get(0);

// ?System.out.println("添加了課程："+temp2.id+":"+temp2.name);

//以下方法會拋出數(shù)組下標越界異常 ?

Course[] course={new Course("3","離散數(shù)學(xué)"), new Course("4","匯編語言")};

courseToselect.addAll(Arrays.asList(course));

Course temp3=(Course)courseToselect.get(2);

Course temp4=(Course)courseToselect.get(3);

//System.out.println("添加了兩門課程："+temp3.id+":"+temp3.name+";"+temp4.id+":"+temp4.name);

Course[] course2={new Course("5","高等數(shù)學(xué)"),new Course("6","大學(xué)英語")};

courseToselect.addAll(2,Arrays.asList(course2));

Course temp5=(Course)courseToselect.get(2);

Course temp6=(Course)courseToselect.get(3);

//System.out.println("添加了兩門課程："+temp5.id+":"+temp5.name+";"+temp6.id+":"+temp6.name);

}

public void foreach(){

System.out.println("foreach方法訪問：");

for(Object obj:courseToselect){

Course c=(Course)obj;

System.out.println("課程："+c.id+":"+c.name);

}

}

public static void main(String[] args) {

// TODO Auto-generated method stub

? ? ?Settest st=new Settest();

? ? ?st.testadd();

? ? ?st.foreach();

? ? ?//創(chuàng)建學(xué)生

? ? ?Student xuesheng= new Student("1","小明");

? ? ?System.out.println("歡迎"+xuesheng.name+"同學(xué)選課");

? ? ?Scanner console=new Scanner(System.in);

? ? ?for(int i=0;i<3;i++){

? ? System.out.println("請輸入課程id：");

? ? String courseid=console.next();

? ? for(Course c:st.courseToselect){

? ? if(c.id.equals(courseid)){

? ? xuesheng.courses.add(c);

? ? }

? ? }

? ? ?}

? ? ?System.out.println("共有多少門課程："+xuesheng.courses.size());

? ? ?//打印輸出學(xué)生所選課程！

? ? ?st.foreachset(xuesheng);

}

public void foreachset(Student xuesheng){

for (Course c : xuesheng.courses) {

? ? System.out.println("選擇了課程"+c.id+":"+c.name);

}

}

}