ขอCode ตรวจข้อสอบทางweb หน่อยคับ แบบ Choice

ผมมีแนวคับ ใครต่อยอดได้ ช่วยทีคับ

public String cerateChoices(){
//if(type==.....
int max_choice = 5;
String choices = "";
for(int i=0;i<max_choice;i++){
choices += createChoice(i);
}
return choices;
}

//String s="1,2" --> String ar[] = s.split(",");
private String getEachChoice(int index){
String ch="";
switch(index){
case 0 : ch=getC1(); break; //ค่าในdatabase ไม่ออก
case 1 : ch=getC2(); break;
case 2 : ch=getC3(); break;
case 3 : ch=getC4(); break;
case 4 : ch=getC5(); break;
//...
}
return ch;
}

private String createChoice(int index){
String ch= " <tr>"
+ "<td valign=\"top\" bgcolor=\"#F3F9DF\" class=\"HI\"><table width=\"641\" border=\"0\" align=\"left\">"
+ "<tr>"
+ "<td width=\"26\"><input type=\"checkbox\" name=\"checkbox\" id=\"checkbox\" value=\"" + index +"\" " + isSel(index) + " />"
+ "</td>"
+ "<td width=\"645\" valign=\"middle\" align=\"left\">" + getEachChoice(index) + "</td>"
+ "</tr>";
return ch;
}

public String isSel(int index){
String result="";
if(selected[index]==true) result = "selected";
return result;
}