Shortcuts in eclipse

Alt +/: code prompt
CTRL +/: Comment/cancel comment
CTRL + D: Delete the row where the cursor is located
CTRL + K: move the cursor over the variable. Press Ctrl + k to find the next variable.
Shift + Ctrl + K: the opposite direction of Ctrl + k search
Shift + Ctrl + F: format the code. If code is selected, only the selected code is formatted.
Shift + Ctrl + O: Fast Import
Shift + Ctrl + X: converts the selected characters into uppercase letters.
Shift + Ctrl + Y: converts the selected characters to lowercase letters.
CTRL + M: Quickly maximize the current view
CTRL + O: open a small window similar to the Outline View in the code
CTRL + Click: trace the source code of methods and Classes
Alt + left and right arrow keys: Jump to the previous/next edit position.
CTRL + mouse stop: displays the source code of the class and Method
Double-click the left brackets (parentheses, braces, and braces) to select all the content in the brackets.
CTRL + 1: move the cursor over a variable and press Ctrl + 1 to provide a quick refactoring solution. Select several lines and press Ctrl + 1 to put the code into the for, while, if, do, or try code blocks.
F3: open the file that declares the reference.
F4: Open the type hierarchy
F5: One-Step Jump
F6: Skip in one step
F7: One-Step Jump out
F8: continue. If there is no breakpoint at the end, the program will be running
CTRL + H: Open the search window
CTRL + Shift + S: Save all