fix build and usage + test day5

README.md

@@ -12,13 +12,14 @@ Requirements
 Build and use
 -----
 
-    mvn test -Day=1
-    mvn test -Day=10
-    mvn test
-
+```bash
+mvn verify -Day=1
+mvn verify -Day=10
+mvn verify
+```
 When no day is given, it assumes today.
 
-From IntelliJ, you may run `mvn test` via the Maven panel.
+From IntelliJ, you may run `mvn verify` via the Maven panel.
 Access the Maven panel via its button on the right top bar,
 or via View>Tool Windows.
 

pom.xml

@@ -32,7 +32,7 @@
                 <version>3.1.1</version>
                 <executions>
                     <execution>
-                        <phase>test</phase>
+                        <phase>verify</phase>
                         <goals>
                             <goal>java</goal>
                         </goals>

src/main/java/CieDuVaseDesNoces/Day.java

@@ -10,6 +10,10 @@ import static java.lang.Thread.currentThread;
 
 abstract class Day {
     List<String> input;
+
+    Day() {
+    }
+
     Day(String inputName) {
         try (BufferedReader reader = new BufferedReader(new InputStreamReader(
                 Objects.requireNonNull(currentThread().getContextClassLoader()
@@ -23,10 +27,4 @@ abstract class Day {
     abstract String part1();
 
     abstract String part2();
-
-//    public static void main(String[] args) {
-        //final Day today = new Day("1");
-        //System.out.println(part1());
-        //System.out.println(part2());
-
 }

src/main/java/CieDuVaseDesNoces/Main.java

@@ -18,7 +18,7 @@ public class Main {
                 (Day) Class.forName(Main.class.getPackageName() + ".Day" + day)
                         .getDeclaredConstructor(String.class)
                         .newInstance("day" + day + ".input");
-        System.out.println(today.part1());
-        System.out.println(today.part2());
+        System.out.printf("Part 1: %s\n", today.part1());
+        System.out.printf("Part 2: %s\n", today.part2());
     }
 }