IntelliJ how to install and how to use FindBug, PMD, CheckStyle and Alibaba programming specification plug

The following settings are recommended configuration to default settings intelliJ to save time by-project configuration
installed FindBugs, CheckStyle, PMD (based IDEA 15):

1、Access to Files->Settings->Plugins->Browse repositories

2、Search the FindBugs-IDEA and install it.

3、Search CheckStyle-IDEA and install it.

4、Search