método

In which cases should I prefer to use one type over the other?

I came across the following method definitions and would like to know the difference between the first definition and the sec ... sh self[:nome] = novo_nome.sort.map { |b| b[1] }.join(' ') else self[:nome] = novo_nome end end end

What is the difference in using the Equals method for the == operator in situations of comparing (1) Value Types and (2) reference types?

In Java I know how it does, but in C / C++ it's little different so how to create a class with C++attributes and methods? I' ... Tetes::~Tetes() { //dtor } Where Will I define the attributes and methods and also where do I create the constructor?

When using a method of a class, there are two approaches: instantiate the class and use the method by the object, or make the ... e = new Cliente(); cliente.cadastrarCliente(); Or make the method static and something like: Cliente.cadastrarCliente();

I'm trying to overwrite the equals method to instead validate if one Integer object is equal to the other just check if a val ... ria retornar true } } Apparently I'm making a mess of taking the "this" which is the value of object before the .equals.

I'm creating an abstract base class to provide a pattern for other classes. Methods of the base class must be overwritten in ... e a method of the base class independent of the parameters, that is, only based on the name of the method. Is this possible?

I'm starting my studies in C # with ASP.NET MVC today. I'm still adapting with some things I'm not used to seeing as I know l ... ing of this" duplication " of the name of the methods? Does this have anything to do with polymorphism or something similar?

Has a parent and a child class and would like to execute a certain method, as an event, always at the end of each child class method call. How can I do it?

Has how to call a method inside a System.out.println(" ");? Follow My Code: package ExerciciosReferenciaDeObjetos; pu ... +this.media()); /**no caso estou querendo chamar o método da média dentro do system.out... , mas está dando erro**/ }

As a general rule it is considered bad programming practice to use static methods. But in what situations is it justified(or ... ivo.txt') Already in static form I would call the method directly: variavel texto = Arquivo.lerArquivo('C:/arquivo.txt')

In Java, the size of a array of any object can be obtained with length, which would be an attribute. But in the case of Stri ... le: int[] a = {1,2}; String b = "str"; String[] c = {"aa", "bb"}; a.length; b.length(); c.length;

Why is this error presented? I believe the logic is right.

What is the maximum number of parameters a method should have? When should one consider that there are too many parameters? ... nd what to do in this case? Tupiniquim and object-oriented version of the question: design-how many parameters are too many?

In PHP we have the magic method __clone. It serves to define a behavior when you clone an object, through the Keyword clone. ... n object? Why do some libraries use __clone to clone a property corresponding to an instance of an object (as in Example 2)?

I came across something that doesn't seem to make sense, when I try to make the method call of a direct object in its instanc ... e call Works $eu = new Pessoa("Vinicius"); print $eu->getNome(); Is there an error in the syntax of the first example?

Why is it mandatory to implement this method in a Java application?

How and when to use Shadows e Overrides? What are the recommendations for use for each and in what context to use them?

I'm doing a job where I have to do some calculations with stacks and I need to do tests for powers of two and powers of two p ... , 8, 9, 16, 17, etc. The part of the powers of two is done easily, but how do I loop or loop for the powers of two plus one?

I am studying using Threads, aSynkTasks and Handlers and came across this method, runOnUiThread () How does this method be ... ent Runnable() inside this method as in this example: runOnUiThread(new Runnable()) public void run(){ // alguma coisa}