funcionality that reads available cities and prints them prepared

src/main/java/model/CityNames.java

@@ -0,0 +1,31 @@
+package model;
+
+import com.fasterxml.jackson.databind.JsonNode;
+import com.fasterxml.jackson.databind.ObjectMapper;
+
+import java.io.File;
+import java.io.IOException;
+import java.util.List;
+import java.util.stream.Collectors;
+
+// WYKORZYSTANIE STRUMIENIA
+public class CityNames {
+    public static void cityNamesRead(String filePath) {
+        ObjectMapper objectMapper = new ObjectMapper();
+
+        try {
+            JsonNode jsonArray = objectMapper.readTree(new File(filePath));
+
+            List<String> cityNames = jsonArray
+                    .findValuesAsText("name")
+                    .stream()
+                    .collect(Collectors.toList());
+
+            System.out.println("Dostępne miasta:");
+            cityNames.forEach(System.out::println);
+
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
+    }
+}