How to add a print account(name, ID, Balance) to the end of the account's array?

[rffe]

Hi,
I'am quite new in java and desperatly need help.
I am trying to implement a studen't print quota.

Printquotaclass:

public class printQuota{
 
private  String studentName;
private  int studentId;
private  int studentBalance;
private static  int unitCost = 2;//unit cost is 2 roubles
 
//********************************************************
//                   Consttructor   sets standard print acc                                 
//********************************************************
public printQuota(String student, int id, int initialBalance)
{
 
  studentName = student;
  studentId = id;
  studentBalance= initialBalance;
}
 
 
 
//-----------------------------------------------------------------
//  Returns the current unit cost.
//-----------------------------------------------------------------
   public static int getCurrentUnitCost ()
   {
      return unitCost;
   }
 
 public static int setCurrentUnitCost()
 {
   return unitCost;
 }
 
 //****************************
 //Increasing Balence
 //*************************
 
 public int increaseBalance(int amount)
 {
   studentBalance = studentBalance + amount * unitCost;
   return studentBalance;
 }
 
 //****************************
 //Printing
 //*************************
 
 public int print(int amount)
 {
   int studentBalence = studentBalance-(amount * unitCost);
 return studentBalence;
 }
//-----------------------------------------------------------------
//  Returns a one-line description of the account as a string.
//-----------------------------------------------------------------
 public String toString()
   {
   return " " + studentName + "\t" + studentId + "\t" + studentBalance; 
 
   }
 
}
 

I want to implement methodes that add printquota object to an array of size 8.

I started the following
[code]import java.util.Scanner
public class printQuotaSystem{
int numaccount = 8;
printQuota[] accounts;
accounts = new printQuota[10]; // allocates memory for 10 account
accounts[0] = new printQuota("jules", 123, 200);
accounts[1] = new printQuota("Dules", 456, 200);
accounts[2] = new printQuota("Gules", 789, 200);
accounts[3] = new printQuota("Hules", 987, 200);
accounts[4] = new printQuota("Bules", 654, 200);
accounts[5] = new printQuota("Eules", 023, 200);
accounts[6] = new printQuota(NULL, 0, 0);
accounts[7] = new printQuota(NULL,0 , 0);

public class addPrintQuota
{
Scanner sc =new Scanner(System.in);
System.out.println("please enter your name");
studentName sc.nextLine();
Scanner sc =new Scanner(System.in)
System.out.println("please enter student ID");
studentName sc.nextInt();
System.out.println("Enter amount of roubles for quot");
for(i=0; i<account.length; i++)
{
if (accounts[i] == NULL)
{


[\code]
my question are:
how to implement the quotaSytem class so that
it add printQuota object to the array?

Thanks