Rahandi

<?php
	$server = "localhost";
	$user = "root";
	$password = "";
	$nama_database = "pendaftaran_siswa";

	$db = mysqli_connect($server, $user, $password, $nama_database);

	if( !$db ){
		die("Gagal terhubung dengan database: " . mysqli_connect_error());

Rahandi

package youtube_downloader;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.net.URL;
import java.net.URLConnection;
import javax.swing.JOptionPane;
import org.json.JSONException;

Rahandi

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

public class Login{
    String Username = "rahandi";
    String Password = "rahandi";
    String msg = " ";
    JTextField txtUsername = null;
    JTextField txtPassword = null;

Rahandi

package Pong;

import java.awt.Color;
import java.awt.Graphics;
import java.util.Random;

public class Ball
{

	public int x, y, width = 25, height = 25;

Rahandi

public class Account{
    private int pin;
    private double totalBalance;
    
    public Account(int thePin, double thetotalBalance){
        pin = thePin;
        totalBalance = thetotalBalance;
    }
    
    public boolean validatePIN(int userPIN){

Rahandi

public class ATM
{
    private boolean userAuthenticated;
    private int currentAccountNumber;
    private Screen screen;
    private Keypad keypad;
    private CashDispenser cashDispenser;
    private DepositSlot depositSlot;
    private BankDatabase bankDatabase;
   

Rahandi

public class DaftarGaji {
    private Pegawai[] listPegawai;
    private int jumlahPegawaiSekarang = 0;
   
    public DaftarGaji(int jumlah_pegawai){
        listPegawai = new Pegawai[jumlah_pegawai];
    }
   
    public void addPegawai(Pegawai p){
        listPegawai[jumlahPegawaiSekarang] = p;

Rahandi

public class Siswa {
    public static void main() {
        Student siswanya = new Student();
        String nama;
        nama = siswanya.getName();
        System.out.println(nama);
        siswanya.printGrade();
    }
}

Rahandi

public class MainClass {
    public static void main(String[] args){
        MyClass t = new MyClass(0);
        t.info();
        t.info("Overloaded method");
        new MyClass();
    }
}

Rahandi

public class Circle {
    private double radius;
    private String color;
    
    public Circle(){
        radius = 1.0;
        color = "merah";
    }
    
    public Circle(double r){