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Cannot make a static reference to the non-static method
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Since getText() is non-static you cannot call it from a static method.
To understand why, you have to understand the difference between the two.
Instance (non-static) methods work on objects that are of a particular type (the class). These are created with the new like...
When and why are database joins expensive?
I'm doing some research into databases and I'm looking at some limitations of relational DBs.
7 Answers
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What is the concept of erasure in generics in Java?
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It's basically the way that generics are implemented in Java via compiler trickery. The compiled generic code actually just uses java.lang.Object wherever you talk about T (or some other type parameter) - and there's some met...
.NET obfuscation tools/strategy [closed]
...ASP.NET, Windows Forms App and Windows Service. 95% or so of the code is written in VB.NET.
30 Answers
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Should commit messages be written in present or past tense? [closed]
So which is it that you think is better and more intuitive?
12 Answers
12
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What is uintptr_t data type
What is uintptr_t and what can it be used for?
5 Answers
5
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What's the difference between EscapeUriString and EscapeDataString?
If only deal with url encoding, I should use EscapeUriString ?
5 Answers
5
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Uncatchable ChuckNorrisException
Is it possible to construct a snippet of code in Java that would make a hypothetical java.lang.ChuckNorrisException uncatchable?
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EProgrammerNotFound exception in Delphi?
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It is just the result of a long day and we had gotten a little giddy. For many, many years (ever since I'd been on the team), we'd always joked about replacing some error message in the compiler for one of the most common err...
Merge, update, and pull Git branches without using checkouts
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As long as you're doing a fast-forward merge, then you can simply use
git fetch <remote> <sourceBranch>:<destinationBranch>
Examples:
# Merge local branch foo into local branch master,
# without having to checkout master first.
# Here `.` means to use the local repository as t...