* a:alt+/plays the role of prompting
* b:main+alt+/,syso+alt+/, give other hints
* C: Supplemental OUTPUT statement, select the part that needs to be output, alt+/select the last item
* C: Define your own ALT +/
* Windows--perference-java-editor-templates--new
* A: Create new CTRL + N (new)
* B: Formatted CTRL+SHIFT+F (format)
* C: Import Package Ctrl+shift+o
* D: note ctrl+/,ctrl+shift+/,ctrl+shift+\
* E: Move the code up or down the selected code ALT + up/down arrows
* F: Check the source code selected class name (F3 or CTRL + mouse click)
* G: Find the specific class CTRL + SHIFT + T
* H: Find specific methods or member variables for specific classes CTRL + O
* I: Give advice to ctrl+1, generate the left data type according to the right, generate method
* J: Remove code CTRL + D
* K: Extraction method ALT + SHIFT + M
* L: Renamed ALT + SHIFT + R
* ALT + SHIFT + S
* A: Automatic generation of construction methods
* B: Automatic generation of Get/set method
Java Development tools (use of content-assisted keys in eclipse)