[#IDEABKL-3206] 'Field can be local' doesn't seem to work

IDEA: Backlog

'Field can be local' doesn't seem to work

Created: 30 Jun 05 14:36 Updated: 22 Nov 06 19:29

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I have 'Field can be local' turned on, and Hector is paying attention, but the following code doesn't trigger the inspection:

public class D {
int q=4;
void d(){ System.out.println(q); }
}

I tried variations of private and final on the field to see if that was the issue, but I have yet to find any way to trigger the inspection. This class has no subclasses or anything like that. I'm trying to demonstrate this inspection for the 5.0 overview. Is there any way to trigger it?

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Maxim Shafirov - 30 Jun 05 15:05

That only works for private fields since we can't ensure with local scope if the field haven't been used directly in other classes.

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Rob Harwood - 30 Jun 05 15:17

I tried private. It also does not work. Specifically, this code does not work:

public class D {
private int q=4;
void d(){ System.out.println(q); }
}

See screenshot.

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Maxim Shafirov - 30 Jun 05 15:25

Well, that's slighly other use case from what we've been implementing.
public class D {
private int q;
void d(){ q = 4; System.out.println(q); }

void g(){ q = 4; System.out.println(q); } }
}

more strictly field claimed to be redundant if every method that uses that overwrites its value before any read.