public void displayDetails() {
        System.out.println("LOAN NUMBER\tLAST NAME\tLOAN AMOUNT\t" +
                           "INTEREST RATE\tLOAN TERM\tTOTAL AMOUNT OWED");
        
        for (int x = 0; x < loanDetails.length; x++) {
            System.out.println(loanDetails[x].toString());
        }
    }