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Is Java “pass-by-reference” or “pass-by-value”?
... is always pass-by-value.
Unfortunately, we never handle an object at all, instead juggling object-handles called references (which are passed by value of course). The chosen terminology and semantics easily confuse many beginners.
It goes like this:
public static void main(String[] args) {
Dog...
Is it possible to declare a variable in Gradle usable in Java?
Is it possible to declare a variable in Gradle usable in Java ?
Basically I would like to declare some vars in the build.gradle and then getting it (obviously) at build time. Just like a pre-processor macros in C/C++...
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In what order do static/instance initializer blocks in Java run?
Say a project contains several classes, each of which has a static initializer block. In what order do those blocks run? I know that within a class, such blocks are run in the order they appear in the code. I've read that it's the same across classes, but some sample code I wrote disagrees with t...
Interfaces with static fields in java for sharing 'constants'
I'm looking at some open source Java projects to get into Java and notice a lot of them have some sort of 'constants' interface.
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Differences between cookies and sessions?
I am training in web developement and am learning about JSP & Servlets . I have some knowledge of HttpSession - I have used it in some of my sample projects.
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Value of i for (i == -i && i != 0) to return true in Java
I have the following if condition.
6 Answers
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What is the difference between Strategy design pattern and State design pattern?
... between the Strategy design pattern and the State design pattern? I was going through quite a few articles on the web but could not make out the difference clearly.
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Why are local variables not initialized in Java?
...lt that local variables should not be given a default value? Seriously, if instance variables can be given a default value, then why can't we do the same for local variables?
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How to check if a user is logged in (how to properly use user.is_authenticated)?
I am looking over this website but just can't seem to figure out how to do this as it's not working. I need to check if the current site user is logged in (authenticated), and am trying:
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Cannot open database “test” requested by the login. The login failed. Login failed for user 'xyz\ASP
I have created a web service which is saving some data into to db. But I am getting this error:
23 Answers
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