12. IDE instructions

Initially

• Clone the project git clone https://github.com/iluwatar/java-design-patterns.git

Eclipse

• Download Eclipse from https://eclipse.org/downloads/ Choose Eclipse IDE for Java Developers or Eclipse IDE for Java EE Developers
• Import the project File - Import - Existing Maven projects - point to the project root folder
• Configure Checkstyle plugin Window - Preferences - Checkstyle - New - External Configuration File -> Name it and point to checkstyle.xml -> Set as default
• Right click java-design-patterns project in Project Explorer and choose Checkstyle - Create formatter profile
• Activate formatter profile Window - Preferences - Java - Code style - Formatter - Active profile -> choose the one you just created -> Apply

IntelliJ IDEA

• Download IntelliJ IDEA from https://www.jetbrains.com/idea/download/
• Import project - point to project root pom.xml
• Install Checkstyle plugin File - Settings - Plugins - CheckStyle-IDEA
• Configure Checkstyle plugin File - Settings - Other settings - Checkstyle
  • Add configuration (+ symbol)
  • Description: JDP Checkstyle
  • Use a local Checkstyle file - browse to project root checkstyle.xml
  • Set JDP Checkstyle configuration active and check Scan test classes option
  • Click OK
• You can run Checkstyle checks by activating the Checkstyle view with View - Tool windows - Checkstyle and clicking Check project
• Setup code formatter File - Settings - Editor - Code style - Java - Manage - Import - Checkstyle configuration and browse to checkstyle.xml at project root