I use Netbeans 7.2.1, when I type private String a(Java code), the IDE shows a tip window aString which asks me to name a variable with its type as postfix. In addition, when I continue to type ;, it completes the code with private String aString;. Actually, I do not like this naming style, so, how to change the settings?
Go to Tools > Options > Editor > Code Completion. Select Language Java from dropdown. Auto pop-up on typing any Java identifier part.
If you go into NetBeans > Tools > Options > Editor > Code Completion, you can check or uncheck "Auto Popup Completion Window" for whatever Languages you want.
From the menu bar, select Window > IDE Tools > Javadoc Documentation to open the Javadoc window, in which the documentation is refreshed automatically for the location of your cursor.
> Options > Editor > Code CompletionYou can take help from the images below:


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