You can add JDK classes for the ruleset in the process composer DC.
Locate the ruleset (Where is my ruleset?) and choose Manage Aliases in the context menu of the ruleset.
In the Project Aliases Editor, choose Class Aliases tab and choose Add Classes.
In the Add Java Class wizard that appears, choose OK.
Note
You can add JDK classes in the process composer DC
In the Select a Java Class wizard, under Selected Classes choose Type Class Name to Add and enter the JDK class name and choose Finish.
Under the Alias Name column, select and expand the alias name. Click the relevant object or method to rename an alias and press Enter.
Locate the ruleset (Where is my ruleset?) and choose Manage Aliases in the context menu of the ruleset.
In the Project Aliases Editor, choose the Class Aliases tab and choose Remove Class.
In the screen that appears, expand the tree and choose a Java Class. Choose Finish.
If you make any changes in a class file, you need to reload the updated class file into your process composer DC.
Locate the ruleset (Where is my ruleset?) and choose Manage Aliases in the context menu of the ruleset.
In the Project Aliases Editor, choose the Class Aliases tab and choose Reload Class.
In the screen that appears, expand the tree and choose a Java Class. Choose Finish.