Small Account problem using basic concepts in java

Account.java

/**
 * Write a description of class Bookshelf here.
 * 
 * @author (your name) 
 * @version (a version accountNumber or a date)
 */
public class Account
{
    private String name;
    private int accountNumber;
    private String address;
    private int mobile;
    private int balance;
    private String date;
    private String time;
    public Account(String n,int num,String add,int m)
    {
        name=n;
        accountNumber=num;
        address=add;
        mobile=m;
        date="";
        time="";
        
    }
     public void credit(int amount,String d, String t)
    {
        balance=balance+amount;
        date=d;
        time=t;
       System.out.println("Credited:"+amount); 
        System.out.print("Balance: "+balance);
        System.out.print("Date: "+date);
        System.out.println("Time: "+time);
    }
    public void debit(int amount ,String d,String t)
    {
        balance=balance-amount;
        date=d;
        time=t;
        System.out.println("Debited :"+amount);
        System.out.print("Balance: "+balance);
        System.out.print("Date: "+date);
        System.out.println("Time: "+time);
    }
   
    public static void main(String args[])
    {
        Account amy =new Account("amy",00003672,"Hyd",490342334);
        amy.credit(100000,"18/12/2015","02:13");
        amy.debit(10000,"20/12/2015","20:13");
        
         
    }
    
}