Supplier

public class Supplier {

    private int supplierId;
    private String companyName;
    private String contactName;
    private final static String DEFAULT_CONTACT_NAME = "NO NAME ENTERED";

    public Supplier() {

    }

    public Supplier(int supplierId, String companyName, String contactName) {
        this(supplierId, companyName);
        this.contactName = contactName;
        /*this.supplierId = supplierId;
        this.companyName = companyName;
        this.contactName = contactName;

         */
    }

    public Supplier(int supplierId, String companyName) {
        this.supplierId = supplierId;
        this.companyName = companyName;
        this.contactName = DEFAULT_CONTACT_NAME;
    }

    public int getSupplierId() {
        return supplierId;
    }

    public void setSupplierId(int supplierId) {
        this.supplierId = supplierId;
    }

    public String getCompanyName() {
        return companyName;
    }

    public void setCompanyName(String companyName) {
        this.companyName = companyName;
    }

    public String getContactName() {
        return contactName;
    }

    public void setContactName(String contactName) {
        this.contactName = contactName;
    }

    @Override
    public String toString() {
        return "Supplier\n" +
                "Supplier Id = "+ supplierId +
                "\nCompany Name: " + companyName +
                "\nContact Name: " + contactName;
    }
}