Most voted "method" questions
A class method is nothing more than a collection of instructions grouped together for the purpose of executing a given task.
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answers100
viewsWhy is calling a method not compiling?
using System; using System.IO; namespace testando { public class pessoa { public void Falar(){ Console.WriteLine("Ola meu nome é ninguem"); } } …
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answer180
viewsWhat is the difference between the ending, Finally and finish in Java?
What is the difference between the terms: final, finally and finalize(), in the programming language Java?
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answer307
viewsInput in multiple attributes of a Python class
Hello guys I’m having a question about multiple attributes of functions or methods through the function input. For example: class Pessoa(): def __init__(self, nome, idade): self.nome = nome…
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answer418
viewsHow to reverse the order of a String in Dart?
I know that in other languages have methods to get the inverse of a String and I’ve searched Dart, but I’m not finding anything. I’m doing like this: String inverter(String v) { String inverso ='';…
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answer279
viewsjava:7: error: invalid method declaration; Return type required
Name of the complete error: Cliente.java:7: error: invalid method declaration; return type required public cliente() { ^ Code I used: import java.net.Socket; public class Cliente extends…
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answers100
viewsProblems in creating class and method
I have the following code: public class String verifyWord(String wordChosen, Scanner reader){ //linha 1 boolean answeredCorrectly = false; int tries = 1; String wordChosen = random.nextInt(); String…
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answer298
viewsDoubt about toString Java method
I would like to know the difference between using and not using the method toString in Java, because I understood that it serves as a print normal. Has some advantage in using this method ? My…
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answer37
viewsforeign key registration method
I’m having trouble with the foreign key. I have a company record and in this register I put 3 foreign keys, which is that such relationship 1:n, right? Anyway, I can only put the columns on the…
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answer63
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viewsDoubt on how to return an object from a method and use it in another class
I’m doubting how to generate an object in a way. I wanted to return the values that are inside the red box, to fill an array with each object of this method. The exit would stay inside the main: My…
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answers485
viewsHow can I call a class void method to display an msg in a form
I have a method public void listarProduto(). It needs to have all the user input information. My problem is time to call this method within a MessageBox() in the form for the message to be…
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answers1436
viewsTake variable value in another method
Inside the same file I have 2 methods: public IActionResult OnGet(){ CarregarMenu(); //Gostaria de pegar aqui o valor da variável lcMenuPrincipal Return Page(); } And the other: public static void…
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answer45
viewsHow do I display attributes of an object stored in an array?
I’m doing a job that consists of fictitious real estate. In this program there is a class called principal where it receives Immovel (Class) and stores the immovables in a vector, a class…
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answer1928
viewsHow to invoke a method specific to a PHP class?
I created a class Pen which has the following attributes and methods: <?php class caneta { var $modelo; var $cor; var $ponta; var $carga; var $tampada; function rabiscar() { if ($this->tampada…
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answer67
viewsPython: Error in . write() method
I wrote a code that would run on my Desktop. The script would write a text in another directory. To switch directories, I used os.chdir(), then used subprocess.check_output() to execute a shell…
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answer428
viewsHow to call a controller method via JS or Ajax in Windows
I’m new with PHP and Laravel, besides I don’t know much about JS. I have the following question, I have a view that displays the information of the service provider of my project, before this guy is…
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viewsHow I call a variable declared in a method
Hello, First I wanted to make it clear that I’m kind of new at programming okay?. Well my problem is that I need to do a method where I ask the user a name, then confirm the name, if the answer is…
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answer213
viewsJava Attempt to invoke virtual method error 'android.view.Window$Callback android.view.Window.getCallback()' on a null Object Reference
Folks need a help with an error in a method of my code. Basically I have a Framelayout that loads two Fragments. When starting the APP it loads the first Fragment with 3 Textedits and a button. When…
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answer159
viewsHow to perform sales commission calculation
To summarize well what I want, I will do so so that the program should run: Digite o nome do vendedor: Joao Digite a meta do vendedor: 1000 Digite o valor de vendas: 499 After this I need to make…
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viewsWhere is the error in this numerical method?
I’m hours away from finding my mistake in this Jacobi method, I’ve checked with friends, and I can’t find where that mistake could be. The expected outputs are approximately: 0.78, -1.96 , 1.03.…
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answer95
viewsWhy are you making a mistake in calling a method?
I’m trying this code: class Car: def beep(): print('Beep') car = Car() car.beep() Typeerror: method() takes 0 positional Arguments but 1 was Given 'Cause there’s a mistake?…