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Code interviews for a PHP developer roles
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this post was submitted on 14 Apr 2024
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We eliminate half our candidates when they can't even answer what is static in Java. Or what is object oriented programming. Ours is less coding tests and more explaining Java concepts.
Just to be sure (I haven't done a lot of java and don't exactly like it):
static in OOP means that we don't need an Object of a class to call a static Method or access a static value, right?
Correct. It's mainly used for quick helper methods where you don't need an object context like the Math class. It's also used for class variables like out stream in the System class.
So. Many. People think it means it's a constant variable.
To be fair, the static keyword is overused in various languages and has various other purposes.
IIRC: C has both static functions and variables. Static variables keep their value for the next time a function is called, no idea what static meant for function declaration.
Rust has static variables, which are similar to constants but can be abused as global variables.
That's true, but these are also the same people who say they are a 9/10 in Java at career fairs. I've been working in Java for 10+ years and I'd still only consider myself an 8/10 maybe.