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Using eclipse warning "hides another field or variable"?

Eclipse has a java compiler option called "declaring a field hides another field or variable" that can be set to a warning / error.

How important is this warning in your opinion?

What is a good standard way to solve this problem?

Sample code where this happens:

public class Test {
   private String caption = null;

   public Test(String caption) { // here
     this.caption = caption;
   }
}

I saw solutions in which the field was renamed, i.e. "fCaption", but this can cause automatic getters / setters to be scattered with odd names ( getfCaption()). Not readable, but ugly ...

Edit: Oh yes, it is possible to rename a method signature Test(String caption_)or something similar, but that will turn out to be in javadoc looking weird.

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I keep this set in "Error". If the class and its parent have the same name, I do not want to lose any time trying to understand why I seem to assign a value to the field, but it never changes!

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