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## Mastering the IDE: Quick Documentation in the Completion List
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The <span class="control">`Quick Documentation`</span> shortcut
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<span class="shortcut">&shortcut:QuickJavaDoc;</span>
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can be used not only in the editor but in the code completion popup list as well.
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Using this feature, find the function for `String` that upper-cases only its
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first letter, or returns the original string if it's already starts with an
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upper case letter.
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