Etap_1(ten prawdziwy)_5

package com.company;

import javax.imageio.ImageIO;
import javax.swing.*;
import java.awt.*;
import java.awt.image.BufferedImage;
import java.io.File;
import java.io.IOException;
import java.util.Random;
import java.util.Scanner;
import java.util.concurrent.Flow;

public class Etap_1 extends JPanel{

    public static Image[]kolo;
    public String[] litery = {"A", "B", "C", "D", "E", "F", "G", "H", "I", "J", "K", "L", "M", "N", "O", "P", "R", "S", "T", "U", "W", "Y", "Z"};   // spolgloski[22] (23 ale od 0 do 22)
    public String wybrana_zol = "";
    public String wybrana_kolor = "";

    public BufferedImage image_1;
    public BufferedImage image_2;
    public BufferedImage kolo_1;
    public BufferedImage kolo_2;
    public BufferedImage tlo_1;


    public Etap_1(){
        setLayout(null);

        Random losowa = new Random();

        int polozenie = losowa.nextInt(2);
        int tab_kolo_zol = losowa.nextInt(7);
        int tab_kolo_kolor = losowa.nextInt(7);
        int nr_litery_1 = losowa.nextInt(22);
        int nr_litery_2 = losowa.nextInt(22);

        wybrana_zol = litery[nr_litery_1];
        wybrana_kolor = litery[nr_litery_2];

        File zdjecie_1 = new File("zdjecia/zolte/" + wybrana_zol + ".png");
        File zdjecie_2 = new File("zdjecia/kolorowe/" + wybrana_kolor + ".png");
        File zdjecie_3 = new File("zdjecia/tlo_GRA_1.png");

        try{
            image_1 = ImageIO.read(zdjecie_1);
            image_2 = ImageIO.read(zdjecie_2);
            tlo_1 = ImageIO.read(zdjecie_3);

        }
        catch(IOException e){
            System.err.println("Blad odczytu obrazków");
        }


        if(polozenie == 0){
            kolo_1 = image_1;
            kolo_2 = image_2;
        }
        else if(polozenie == 1){
            kolo_1 = image_2;
            kolo_2 = image_1;
        }

        JTextField jt = new JTextField("T");
        jt.setBounds(320, 650, 370, 70);
        add(jt);


        Scanner scan = new Scanner(System.in);
        System.out.println("Podaj literę?");
        String firstName = scan.nextLine();
        jt.equals(firstName);



    }

    private void odliczanie(int czas){
        long czas_teraz = System.currentTimeMillis();
        while(czas >= 0){
            if(System.currentTimeMillis() - czas_teraz > 1000){
                System.out.println(czas--);
                czas_teraz= System.currentTimeMillis();
            }
        }
        System.out.println("Bam");
    }

    public void paintComponent(Graphics graphic) {
        Graphics2D g2d = (Graphics2D) graphic;
        g2d.drawImage(tlo_1, 0, 0, this);
        g2d.drawImage(kolo_1, 100, 180, this);
        g2d.drawImage(kolo_2, 600, 180, this);

    }

}