Osapg

package akademia_kodu;
import java.util.Random;
import java.util.Scanner;
public class losowanie {

    public static void main(String[] args) {

        Random los = new Random();
        Scanner skan = new Scanner(System.in);
;

Osapg

import java.util.Random;

public class duzyLotek {
    public static void main(String[] args) {

        Random los = new Random();

        for (int i=1;i<=6;i++){
           System.out.println(los.nextInt(49)+1);
        

Osapg

import java.util.Scanner;

public class whilePetla {
    public static void main(String[] args) {

        Scanner skan = new Scanner(System.in);
        int secret = 58;
        int userNumber;
        do {
            System.out.println("Podaj liczbę : ");

Osapg

import java.awt.event.*;
import javax.swing.*; 


public class FirstSwingExample {  
public static void main(String[] args) { 
	
JFrame f=new JFrame();         
JButton b=new JButton("Kliknij");  
final JTextField tf=new JTextField();