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Resolução do desafio, criação de parametros, validações/invalidações #61

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441fbe8
Resolução do desafio, criação de parametros, validações/invalidações
Alesd-OR Jul 16, 2024
57566d9
Criado código do sistema para validação de processo seletivo do lab
Alesd-OR Jul 16, 2024
f6a6fff
Added Iphone POO.drawio
Alesd-OR Jul 16, 2024
dbf8aab
Adicionado arquivo draw.io do diagrama UML de modelagem POO do iPhone…
Alesd-OR Jul 16, 2024
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99 changes: 99 additions & 0 deletions ...trole-fluxo/criando_uma_pequena_validacao_para_um_processo_seletivo/ProcessoSeletivo.java
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import java.util.Random;
import java.util.concurrent.ThreadLocalRandom;

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

String[] candidatos = { "FELIPE", "MARCIA", "PAULO", "AUGUSTO" };

for (String candidato : candidatos) {
entrandoEmContato(candidato);
}
}

static void entrandoEmContato(String candidato) {

int tentativasRealizadas = 1;
boolean continuarTentando = true;
boolean atendeu = false;

do {

atendeu = atender();
continuarTentando = !atendeu;
if (continuarTentando)
tentativasRealizadas++;
else
System.out.println("CONTATO REALIZADO COM SUCESSO");

} while (continuarTentando && tentativasRealizadas < 3);

if (atendeu)
System.out.println("CONSEGUIMOS CONTATO COM " + candidato + " NA " + tentativasRealizadas + " TENTATIVA");
else
System.out.println("NÃO CONSEGUIMOS CONTATO COM " + candidato + ", NÚMERO MÁXIMO TENTATIVAS "
+ tentativasRealizadas + " REALIZADAS");
}

// método auxiliar

static boolean atender() {
return new Random().nextInt(3) == 1;
}

static void imprimirSelecionador() {
String[] candidatos = { "FELIPE", "MARCIA", "PAULO", "AUGUSTO" };

System.out.println("Imprimindo a lista de candidatos informando o indice de elemento");

for (int indice = 0; indice < candidatos.length; indice++) {
System.out.println("O candidato de n°" + (indice + 1) + " é o " + candidatos[indice]);
}

System.out.println("Forma abreviada de interação for each");

for (String candidato : candidatos) {
System.out.println("O candidato selecionado foi " + candidato);
}
}

static void selecaoCandidatos() {
String[] candidatos = { "FELIPE", "MARCIA", "PAULO", "AUGUSTO", "MONICA", "FABRICIO", "MIRELA", "DANIELA",
"JORGE" };

int candidatosSelecionados = 0;
int candidatosAtual = 0;
double salarioBase = 2000.0;

while (candidatosSelecionados < 5 && candidatosAtual < candidatos.length) {
String candidato = candidatos[candidatosAtual];
double salarioPretendido = valorPretendido();

System.out.println("O candidato " + candidato + " Solicitou este valor de salário " + salarioPretendido);

if (salarioBase >= salarioPretendido) {
System.out.println("O candidato " + candidato + " foi selecionado para a vaga");
candidatosSelecionados++;
}
candidatosAtual++;
}
}

static double valorPretendido() {
return ThreadLocalRandom.current().nextDouble(1800, 2200);
}

static void analisarCandidato(double salarioPretendido) {

double salarioBase = 2000.0;

if (salarioBase > salarioPretendido) {
System.out.println("LIGAR PARA O CANDIDATO");
} else if (salarioBase == salarioPretendido)
System.out.println("LIGAR PARA O CANDIDATO COM CONTRA PROPOSTA");
else {
System.out.println("AGUARDANDO O RESULTADO DOS DEMAIS CANDIDATOS");
}
}

}
109 changes: 109 additions & 0 deletions desafios/controle-fluxo/modelando_iphone_com_uml/Iphone POO.drawio
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92 changes: 92 additions & 0 deletions desafios/controle-fluxo/modelando_iphone_com_uml/iPhone2007.java
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public class iPhone2007 {

// iTunes (Reprodutor Musical)
public static class iTunes {
private String currentSong;
private boolean isPlaying;
private int volumeLevel;

public iTunes() {
this.currentSong = "";
this.isPlaying = false;
this.volumeLevel = 50;
}

public void play() {
}

public void pause() {
}

public void selectSong(String song) {
}

public void adjustVolume(int volume) {
}
}

// Telefone
public static class Telefone {
private String currentCallStatus;
private boolean isRinging;
private boolean isOnHold;

public Telefone() {
this.currentCallStatus = "";
this.isRinging = false;
this.isOnHold = false;
}

public void call(String number) {
}

public void answer() {
}

public void startVoiceMail() {
}
}

// Navegador de Internet
public static class NavegadorInternet {
private String currentURL;
private int numberOfTabs;

public NavegadorInternet() {
this.currentURL = "";
this.numberOfTabs = 1;
}

public void displayPage(String url) {
}

public void addNewTab() {
}

public void updatePage() {
}
}

// Exemplo de uso das classes
public static void main(String[] args) {
// Exemplo de uso do iTunes
iTunes iTunesPlayer = new iTunes();
iTunesPlayer.selectSong("Bohemian Rhapsody");
iTunesPlayer.play();
iTunesPlayer.adjustVolume(75);
iTunesPlayer.pause();

// Exemplo de uso do Telefone
Telefone phone = new Telefone();
phone.call("123456789");
phone.answer();
phone.startVoiceMail();

// Exemplo de uso do Navegador de Internet
NavegadorInternet browser = new NavegadorInternet();
browser.displayPage("https://www.youtube.com");
browser.addNewTab();
browser.displayPage("https://www.youtube.com");
browser.updatePage();
}
}
61 changes: 61 additions & 0 deletions desafios/controle-fluxo/simulando_uma_carteira_bancaria_atraves_do_terminal/Contador.java
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/*# DIO - Trilha Java Básico
www.dio.me

#### Autores
- [Gleyson Sampaio](https://github.com/glysns)

## Controle de Fluxo - Desafio

Vamos exercitar todo o conteúdo apresentado no módulo de Controle de Fluxo codificando o seguinte cenário.

O sistema deverá receber dois parâmetros via terminal que representarão dois números inteiros, com estes dois números você deverá obter a quantidade de interações (for) e realizar a impressão no console (System.out.print) dos números incrementados, exemplo:

* Se você passar os números 12 e 30, logo teremos uma interação (for) com 18 ocorrências para imprimir os números, exemplo: `"Imprimindo o número 1"`, `"Imprimindo o número 2"` e assim por diante.
* Se o primeiro parâmetro for MAIOR que o segundo parâmetro, você deverá lançar a exceção customizada chamada de `ParametrosInvalidosException` com a segunda mensagem: "O segundo parâmetro deve ser maior que o primeiro"


1. Crie o projeto `DesafioControleFluxo`
2. Dentro do projeto, crie a classe `Contador.java` para realizar toda a codificação do nosso programa.
3. Dentro do projeto, crie a classe `ParametrosInvalidosException` que representará a exceção de negócio no sistema.

Abaixo temos um trecho de código no qual você poderá seguir alterando as partes que contenham `??`

```java*/

//RESOLUCAO

import java.util.Scanner;

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

Scanner oli = new Scanner(System.in);

System.out.println("Digite o primeiro parâmetro");
int parametroUm = oli.nextInt();

System.out.println("Digite o segundo parâmetro");
int parametroDois = oli.nextInt();

try {
// chamando o método contendo a lógica de contagem
contar(parametroUm, parametroDois);
} catch (ParametrosInvalidosException exception) {
// imprimir a mensagem: O segundo parâmetro deve ser maior que o primeiro
System.out.println(exception.getMessage());
}
}

static void contar(int parametroUm, int parametroDois) throws ParametrosInvalidosException {
// validar se parametroUm é MAIOR que parametroDois e lançar a exceção
if (parametroUm > parametroDois) {
throw new ParametrosInvalidosException("O segundo parâmetro deve ser maior que o primeiro");
}

int contagem = parametroDois - parametroUm;
// realizar o for para imprimir os números com base na variável contagem
for (int i = 1; i <= contagem; i++) {
System.out.println("Imprimindo o número " + i);
}
}
}
6 changes: 6 additions & 0 deletions ...uxo/simulando_uma_carteira_bancaria_atraves_do_terminal/ParametrosInvalidosException.java
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public class ParametrosInvalidosException extends Exception {
// Construtor que recebe uma mensagem e a passa para a classe Exception
public ParametrosInvalidosException(String mensagem) {
super(mensagem);
}
}