How to provide path to APPIUM Java code

Option 1:-
capabilities.setCapability("app","Application absolute path");

Option 2:-
Add application into appium->setting->path

Option 3:-
File appDir=new File("Application Path");
File app = new File(appDir, "apk name");
cap.setCapability("app", "apk name");

Option 4:- Remove app from device( Use it before quit server)
driver.removeApp("application package name");