Posts by rodolfo.martins • 69 points
4 posts
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viewsQ: Compare the data of an Arraylist not to let register in duplicity - Java
Good afternoon to all I need to compare all the indexes of this arrayList with the Indice that is currently being added, it is possible? //MENU - CADASTRAR PRODUTOS private void cadastrarProdutos()…
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viewsQ: Doubt 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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viewsQ: Storing an input field value in a localStorage
I’m trying to get the content of an input field in html: <!DOCTYPE html> <html lang="pt-BR"> <head> <meta charset="UTF-8"> <meta http-equiv="X-UA-Compatible"…
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viewsQ: What does << in Ruby mean?
I’m studying a book of programming logic and wanted to know what it means << see what the book is applying to: This balcony to maintain a help variable with the actual size used an array is…