* A: Program compilation and operation of the environment configuration (generally do not change)
* Window--Preferences--Java
* Compilation Environment: Compiler the highest version is selected by default.
* Operating Environment: Installed JREs will find the JDK you installed by default. We recommend that you configure the environment variables for Java.
* Questions:
* Low compile, high run. OK.
* High compile, low run. No.
* recommended, compile and run the same version.
* B: How do I get rid of the default annotations?
* Window--Preferences--Java--code Style--code Templates
* Select the content you do not want and edit it by right.
* Note: Please delete only the comments section, not the comment section.
* C: Display and hide of line numbers
* Display: In the left-most blank area of the code area, right--show line numbers.
* Hide: Do the above action again.
* D: Font size and color
* A:java the font size and color of the code area:
* Window--Preferences--general--appearance--Colors and Fonts--java Modified--Java Edit Text Font
* B: Console
* Window--Preferences--general--appearance--Colors and Fonts--Debug--Console font
* C: Other documents
* Window--Preferences--general--appearance--Colors and Fonts--Basic--Text Font
* E: The form to mess up, how to do?
* Window--Reset perspective
* F: Console can not find, how to do?
* Window--show View-console
* G: Cancel hover hint
* Window--Preferences--java--editor--hovers. On the right, remove the combined hover hook.
* This will not automatically appear in the Code's hover box. If you want to see a hint, hover your cursor over the code and press F2.
Java Development Tools (basic configuration of the Eclipse workspace)