agustarc

@Module
public class SampleModule {
  private static final int CONNECT_TIMEOUT = 15;
  private static final int WRITE_TIMEOUT = 15;
  private static final int READ_TIMEOUT = 15;
  private static final String baseUrl; // your base url;  
  
  @Provides
  @Singleton
  Cache provideOkHttpCache(Application application) {

agustarc

@Module
public class SampleModule {
  private static final int CONNECT_TIMEOUT = 15;
  private static final int WRITE_TIMEOUT = 15;
  private static final int READ_TIMEOUT = 15;
  private static final String baseUrl; // your base url;  
  
  @Provides
  @Singleton
  Cache provideOkHttpCache(Application application) {

agustarc

Cart cart = response.getCart();
if (cart != null) {
  Product product = cart.getProduct();
  if (product != null) {
    System.out.println(product.getName());  
  }
}

agustarc

Optional.ofNullable(response.getCart()).ifPresent(c -> {
  Optional.ofNullable(c.getProduct()).ifPresent(p -> System.out.println(p.getName()));
});

agustarc

Optional<Cart> optional = Optional.ofNullable(response.getCart()).orElse(new Cart());
Optional<Cart> optional = Optional.ofNullable(response.getCart()).orElseThrow(IllegalStateException::new);

agustarc

for (Product product : products) {
  if (product.getId() == productId) {
    return product;  
  }
}

agustarc

Stream.of(products).filter(p -> p.getId() == productId).findFirst();

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Stream.of(products).filter(p -> p.getId() == productId).forEach(Product::printPrice);

agustarc

public int sum(int a, int b) {
  return a + b;
}

agustarc

fun sum(a: Int, b: Int): Int {
  return a + b
}