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I may be stupid for asking this but... I don't know if I should format blocks like this:
public void elbow() {
System.out.println("Elbow");
}
or:
public void elbow() {
System.out.println("Elbow");
}
or are both correct?
Both are correct. It is a matter of preference. Most guys I work with like to be able to see more code on a single screen so opt for the first, within reason.
You may also mix them if you have a long loop it may be good to place whitespace at your own discretion to improve readability.
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I am writing a program with IPOPT in Java and due to the nature of the problem, it is rather difficult to provide a Jacobian matrix.
The question is basically the title:
Is it possible to use IPOPT without Jacobian matrix and if so how?
i couldn't find anything in the documentation, but maybe i am just blind.
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I'm writing a method that given a product, returns for each country the number of sales. I named it getNumOfSalesByCountry().
To me, the word "get" relates to a getter of a bean and not to a function that makes a query to a DB.
Can you suggest better names? (Or you think the name is valid)
Thanks
You can name it something like retrieveNumOfSalesByCountry(), but I think getNumOfSalesByCountry() is good too.
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Is it a good practice to overload method in Java, calling this original method inside a new one but passing some default values as parameters for original method?
As the commenters noted, this is a standard practice. Typically, it is used to allow simplified signatures in order to provide default values. Like any other, pattern, some thought should be taken to avoid abusing it.
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I'm thinking on possibility of making a Huffman code without "node".
It's based on the nodes then my question seems a bit ambiguous.
I know,maybe we have to use string's abilites ...
Is it possible ? and if "YES" how Is it possible in java?
Thanks.
You can use indices instead of nodes but you need somewhere nodes and/or vertices.
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Why? Isn't this kind of anti-pattern?
This makes it easier for you to organize helper methods in your libraries; you can keep static methods specific to an interface in the same interface rather than in a separate class.
Please read this