Considering object orientation, would the use of inheritance and interface in this way be correct? But in this way, any request to connect to the database will require a new object. Is there a way to statically access or need a new object create...
In C #, I can avoid using getter and setter , turning the attributes into properties, as below:
public class Pessoa {
public int pes_idade { get; set; }
public string pes_nome { get; set; }
}
Can you do this in Java?
...
Example:
public class ListaAdapterItem extends ArrayList<Item>{
}
And I have an Item class:
public class Item {
private int imagem;
private String nome;
private String descricao;
public Item(int imagem, String nome, String descr...
In Scala we have case classes , for example:
case class Pessoa(nome: String, sobrenome: String)
and in Kotlin we have data classes :
data class Pessoa( val nome: String, val sobrenome: String )
What's the difference between...
I'm creating a push notification system with firebase in my project.
The code that generates the push looks like this:
notificationBuilder = new NotificationCompat.Builder(this)
.setSmallIcon(R.drawable.ic_notification)
.setColor(getResourc...
I'm using JDBC and taking an image to save to the database. But I want to save the image to HD and save it to the bank only the path ( path ) of it.
I wanted to know what is the best type I use to manipulate and save the image ( Imag...
The class PEHandlerService needs to have a single instance and I do not want to use synchronized because of the slowness, I created the following code:
public class PEHandlerService extends PlanilhaHandler {
private LanguageH...
How do I make the app, when I open Google Maps, zoom in to a specific location (for example, in a specific coordinate)? The demo codes it shows ALL the continents when I boot and need to zoom in until my markup:
public class MapsActivit...
I have the following date / time format:
25/01 / 2017a1111: 53: 37
And the following regex:
REGX_DATAHORA_DISTRIBUICAO = "(?<data>\d{1,2}\/\d{1,2}\/\d{4})|(?<hora>\d{1,2}:\d{1,2}:\d{1,2})"
private OffsetDa...
I have two numeric values that are retrieved in strings and I would like to know if there is a way to compare them to see which numeric value is larger but without having to convert to type Number (as Integer , Double and% wi...