errors using iMac
when I try to do "mvn clean install" I get the following errors:
[ERROR] COMPILATION ERROR : [INFO] ------------------------------------------------------------- [ERROR] /Users/mirko/Desktop/prpr2021_foodgrinder/src/main/java/com/foodgrinder/baseClasses/dosables/Recipe.java:[12,8] com.foodgrinder.baseClasses.dosables.Recipe is not abstract and does not override abstract method subtract(com.foodgrinder.baseClasses.IDosable) in com.foodgrinder.baseClasses.IDosable [ERROR] /Users/mirko/Desktop/prpr2021_foodgrinder/src/main/java/com/foodgrinder/baseClasses/dosableLists/RecipeArrayList.java:[8,8] com.foodgrinder.baseClasses.dosableLists.RecipeArrayList is not abstract and does not override abstract method subtract(com.foodgrinder.baseClasses.IDosable) in com.foodgrinder.baseClasses.IDosable [ERROR] /Users/mirko/Desktop/prpr2021_foodgrinder/src/main/java/com/foodgrinder/baseClasses/dosableLists/IngredientArrayList.java:[13,8] com.foodgrinder.baseClasses.dosableLists.IngredientArrayList is not abstract and does not override abstract method subtract(com.foodgrinder.baseClasses.IDosable) in com.foodgrinder.baseClasses.IDosable [ERROR] /Users/mirko/Desktop/prpr2021_foodgrinder/src/main/java/com/foodgrinder/baseClasses/dosables/Ingredient.java:[7,8] com.foodgrinder.baseClasses.dosables.Ingredient is not abstract and does not override abstract method subtract(com.foodgrinder.baseClasses.IDosable) in com.foodgrinder.baseClasses.IDosable [ERROR] /Users/mirko/Desktop/prpr2021_foodgrinder/src/main/java/com/foodgrinder/baseClasses/dosableLists/NutrientArrayList.java:[12,8] com.foodgrinder.baseClasses.dosableLists.NutrientArrayList is not abstract and does not override abstract method subtract(com.foodgrinder.baseClasses.IDosable) in com.foodgrinder.baseClasses.IDosable [ERROR] /Users/mirko/Desktop/prpr2021_foodgrinder/src/main/java/com/foodgrinder/baseClasses/dosables/Nutrient.java:[6,8] com.foodgrinder.baseClasses.dosables.Nutrient is not abstract and does not override abstract method subtract(com.foodgrinder.baseClasses.IDosable) in com.foodgrinder.baseClasses.IDosable [INFO] 6 errors [INFO] ------------------------------------------------------------- [INFO] ------------------------------------------------------------------------ [INFO] BUILD FAILURE [INFO] ------------------------------------------------------------------------ [INFO] Total time: 2.774 s [INFO] Finished at: 2021-09-03T12:32:30+02:00 [INFO] ------------------------------------------------------------------------ [ERROR] Failed to execute goal org.apache.maven.plugins:maven-compiler-plugin:3.8.0:compile (default-compile) on project prpr2021_foodgrinder: Compilation failure: Compilation failure: [ERROR] /Users/mirko/Desktop/prpr2021_foodgrinder/src/main/java/com/foodgrinder/baseClasses/dosables/Recipe.java:[12,8] com.foodgrinder.baseClasses.dosables.Recipe is not abstract and does not override abstract method subtract(com.foodgrinder.baseClasses.IDosable) in com.foodgrinder.baseClasses.IDosable [ERROR] /Users/mirko/Desktop/prpr2021_foodgrinder/src/main/java/com/foodgrinder/baseClasses/dosableLists/RecipeArrayList.java:[8,8] com.foodgrinder.baseClasses.dosableLists.RecipeArrayList is not abstract and does not override abstract method subtract(com.foodgrinder.baseClasses.IDosable) in com.foodgrinder.baseClasses.IDosable [ERROR] /Users/mirko/Desktop/prpr2021_foodgrinder/src/main/java/com/foodgrinder/baseClasses/dosableLists/IngredientArrayList.java:[13,8] com.foodgrinder.baseClasses.dosableLists.IngredientArrayList is not abstract and does not override abstract method subtract(com.foodgrinder.baseClasses.IDosable) in com.foodgrinder.baseClasses.IDosable [ERROR] /Users/mirko/Desktop/prpr2021_foodgrinder/src/main/java/com/foodgrinder/baseClasses/dosables/Ingredient.java:[7,8] com.foodgrinder.baseClasses.dosables.Ingredient is not abstract and does not override abstract method subtract(com.foodgrinder.baseClasses.IDosable) in com.foodgrinder.baseClasses.IDosable [ERROR] /Users/mirko/Desktop/prpr2021_foodgrinder/src/main/java/com/foodgrinder/baseClasses/dosableLists/NutrientArrayList.java:[12,8] com.foodgrinder.baseClasses.dosableLists.NutrientArrayList is not abstract and does not override abstract method subtract(com.foodgrinder.baseClasses.IDosable) in com.foodgrinder.baseClasses.IDosable [ERROR] /Users/mirko/Desktop/prpr2021_foodgrinder/src/main/java/com/foodgrinder/baseClasses/dosables/Nutrient.java:[6,8] com.foodgrinder.baseClasses.dosables.Nutrient is not abstract and does not override abstract method subtract(com.foodgrinder.baseClasses.IDosable) in com.foodgrinder.baseClasses.IDosable [ERROR] -> [Help 1] [ERROR] [ERROR] To see the full stack trace of the errors, re-run Maven with the -e switch. [ERROR] Re-run Maven using the -X switch to enable full debug logging. [ERROR] [ERROR] For more information about the errors and possible solutions, please read the following articles: [ERROR] [Help 1] http://cwiki.apache.org/confluence/display/MAVEN/MojoFailureException iMac-di-Mirko:prpr2021_foodgrinder mirko$