Setting and shortcut keys for compiling Java code in eclipse

The following code style and format

Shortcut Key-for a single file

1. crtl + Shift + O

Automatic Processing of import statements (less addition, more deletion, is very suitable for more)

2. CTRL + Shift + F

Automatic formattingCode

Set

1. Set the number of characters in each line of code

Window --> preferences --> JAVA --> code style --> Format

Create a new profile. Then edit this profile

Go to line wrapping --> maximum line width. We recommend that you change from 80 to 120.

In this way, when Ctrl + Shift + F is formatted, the number of characters in each line of code is 120.

2. Batch automatic processing import

Go to the Java view, right-click the project and choose source --> organize imports

3. Batch format code

Right-click the project and choose source> format.

4. Set the number of lines displayed on the console and the default pop-up

In the preferences-> Run/debug-> console, remove the limit console output selection or select to set the buffer size setting value.
Settings pop-up (the console window also has corresponding buttons ):
Preferences-> Run/debug-> In the Console
Deselect the option before show when program writes to standard out (when a value exists in the console ).
And show when program writes to standard error (when an error occurs in the console ).