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22 changes: 22 additions & 0 deletions src/Main.java
Original file line number Diff line number Diff line change
@@ -0,0 +1,22 @@
public class Main {

public static void main(String[] args) {

// Singleton
SingletonLazy s1 = SingletonLazy.getInstancia();
SingletonLazy s2 = SingletonLazy.getInstancia();
System.out.println(s1 == s2);

// Strategy
Robo robo = new Robo();
robo.setComportamento(new ComportamentoNormal());
robo.mover();

robo.setComportamento(new ComportamentoAgressivo());
robo.mover();

// Facade
Facade facade = new Facade();
facade.migrarCliente("Gabriel");
}
}
6 changes: 6 additions & 0 deletions src/facade/Facade.java
Original file line number Diff line number Diff line change
@@ -0,0 +1,6 @@
public class Facade {

public void migrarCliente(String nome) {
System.out.println("Cliente " + nome + " migrado com sucesso!");
}
}
13 changes: 13 additions & 0 deletions src/singleton/SingletonLazy.java
Original file line number Diff line number Diff line change
@@ -0,0 +1,13 @@
public class SingletonLazy {

private static SingletonLazy instancia;

private SingletonLazy() {}

public static SingletonLazy getInstancia() {
if (instancia == null) {
instancia = new SingletonLazy();
}
return instancia;
}
}
25 changes: 25 additions & 0 deletions src/strategy/Strategy.java
Original file line number Diff line number Diff line change
@@ -0,0 +1,25 @@
public interface Comportamento {
void mover();
}
public class ComportamentoNormal implements Comportamento {
public void mover() {
System.out.println("Movendo normalmente");
}
}
public class ComportamentoAgressivo implements Comportamento {
public void mover() {
System.out.println("Movendo agressivamente");
}
}
public class Robo {

private Comportamento comportamento;

public void setComportamento(Comportamento comportamento) {
this.comportamento = comportamento;
}

public void mover() {
comportamento.mover();
}
}