assignment
To run executable JAR :
java -jar E:\projects\spring-boot-grocery\target\grocery.jar E:\CV\mornstar\input.txt
Reference links : https://www.baeldung.com/java-read-lines-large-file https://www.mkyong.com/spring-boot/spring-boot-non-web-application-example/ https://stackoverflow.com/questions/309396/java-how-to-test-methods-that-call-system-exit