Posts by Marcos Davi Spindola • 105 points
2 posts
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9
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answers128
viewsQ: If abstract classes and interfaces cannot be instantiated, what is happening here?
I discovered that interfaces and abstract classes cannot be instantiated, but my teacher gave me an example that left me in doubt, because it seems very an instance of interface ActionListener.…
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viewsQ: How do I generate an excel file with the data obtained from a webcrawler?
I’m making a web Rawler that should extract the name and price of iphones that appear in search on the Amazon site and generate an xlsx file with this data. However, I am unable to generate the xlsx…