ichwansh03

void accessUsers(){
  Statement statement = connection.createStatement();
  
  //sql only accepts username input, because the password has been commented out
  String username = "admin'; #";
  String password = "123";
  
  //with String Append
  String sql = "SELECT * FROM account WHERE username = '" +username+ 
    "' AND password = '" +password+ "'";

ichwansh03

void prepareStatement() throws SQLException {
        Connection connection = ConnectionUtil.getDataSource().getConnection();

        //testing inject SQL use characters like '; #
        String username = "admin'; #";
        String password = "salah";

        //DON'T USE STRING APPEND!
        String sql = "SELECT * FROM admin WHERE username = ? AND password = ?";

ichwansh03

class AirplaneModeChangeReceiver : BroadcastReceiver() {
    override fun onReceive(context: Context?, intent: Intent?) {

        val isAirplaneModeOn = Settings.Global.getInt(
            context?.contentResolver,
            Settings.Global.AIRPLANE_MODE_ON,
            0) != 0

        if (intent?.action == Intent.ACTION_AIRPLANE_MODE_CHANGED && isAirplaneModeOn){
            Toast.makeText(context, "Airplane mode is enabled", Toast.LENGTH_SHORT).show()

ichwansh03

class ActionActivity : AppCompatActivity() {

    private lateinit var binding: ActivityActionBinding

    private val airplaneModeChangeReceiver = AirplaneModeChangeReceiver()

    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        binding = ActivityActionBinding.inflate(layoutInflater)
        setContentView(binding.root)

ichwansh03

import kotlinx.serialization.Serializable

@Serializable
data class Cat (
    val name: String,
    val description: String,
    val image: String
)

ichwansh03

import com.ichwan.data.Cat
import io.ktor.http.*
import io.ktor.server.application.*
import io.ktor.server.routing.*

private const val BASE_URL = "http://localhost:8100/"
private val cats = listOf(
    Cat("Persia", "Kucing persia flatnose", "$BASE_URL/cats/persia.jpg"),
    Cat("Himalaya", "Kucing himalaya ekor coklat", "$BASE_URL/cats/himalaya.jpg"),
    Cat("British", "Kucing british bulu pendek", "$BASE_URL/cats/british.jpg"),

ichwansh03

<?xml version="1.0" encoding="UTF-8"?>

<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
  xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
  <modelVersion>4.0.0</modelVersion>

  <groupId>org.example</groupId>
  <artifactId>apachemaven</artifactId>
  <version>1.0-SNAPSHOT</version>
  <packaging>pom</packaging>

ichwansh03

public class Person {

    private String id;
    private String name;

    public Person(String id, String name) {
        this.id = id;
        this.name = name;
    }

ichwansh03

public interface PersonRepository {

    Person findById(String id);

    void insert(Person person);
}

ichwansh03

public class PersonService {

    private PersonRepository repository;

    public PersonService(PersonRepository repository) {
        this.repository = repository;
    }

    public Person getById(String id){
        Person person = repository.findById(id);