The first class
import java.io.*;
import java.io.IOExcep tion;
import java.util.Scann er;
import javax.swing.*;
import java.util.Forma tter;
public class Project implements Serializable
{
TestProject s=new TestProject();
Scanner sc=new Scanner(System. in);
private int accNo;
private String company;
private int type;
private int quantity;...