Posts by Bruno Silva • 123 points
3 posts
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answers159
viewsA: Double wrapper initialization with int does not compile
All that has already been explained, the answer is this: No enlargement for wrapper, it is not possible to perform magnification and Boxing at the same time. So first you need to perform the cast…
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answers8059
viewsA: What is upcasting and downcasting in the Java language?
To better understand these concepts you need to first understand the concepts of INHERITANCE, 'BEING ONE' and POLYMORPHISM. Come on... Inheritance Classes Cat and Leao inherit the Feline class, so…
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answer56
viewsA: Problem with Jtable
What happened there is a logic error. The problem is in your if to check if you found the item, but actually in place of the if should be a while. So it only returns the value of the first item.…
javaanswered Bruno Silva 123