ExampleJavaList/src/com/company/UserMessage.java

package com.company;

import java.io.Serializable;

public class UserMessage implements Serializable {
    public UserMessageType TYPE = UserMessageType.DEFAULT;
    public String BILL_NUMBER;
    public String PIN;
    public String FULLNAME;
    public String PHONE;
    public String PASSPORT;
    public double BALANCE;
}