问题
what plugins do i need to install on eclipse so that .java files will show line number? how about show line number on .xml/.html as well?
回答1:
There is also a simpler way: just right click on gutter (left border of your editor window in which your code resides) and enable them.. there is a specific option there.
回答2:
Window Menu -> Preferences -> General -> Editors -> Text Editors -> check Show line numbers
回答3:
Easy click on left bar (where line numbers will show) and clikc Show line numbers.
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回答4:
What if line numbers are not displayed even after checking the line number option in Window->Preferences->Editors->Show Line Numbers checkbox. I am facing this issue.
来源：https://stackoverflow.com/questions/3979809/eclipse-java-code-display-linenumber