Excuse me,could someone tell me why the program shows "Null".Please mešš
class Account{ private String name; private String no; private int balance; Account(String n, String num, int t){ n=name; num=no; t=balance; } String getname(){ return name; } String getnumber(){ return no; } int getbalance(){ return balance; } void withdraw(int k){ balance+=k; } void deposit(int v){ balance+=v;} } class AccountTester{ public static void main(String[]args){ Account Andrew = new Account("Andrew", "123456", 1000); Account Marry = new Account("Marry", "654321", 200); Andrew.withdraw(200); Marry.deposit(100); System.out.println("The account of Andrew"); System.out.println("The name of Andrew account:" + Andrew.getname()); System.out.println("No of Account:" + Andrew.getnumber()); System.out.println("The rest of money:" +Andrew.getbalance()); System.out.println("The account of Marry"); System.out.println("The name of Andrew account:" + Marry.getname()); System.out.println("No of Account:" + Marry.getnu