moved Solution to package stream

src/main/java/stream/Board.java

@@ -1,3 +1,5 @@
+package stream;
+
 import java.util.List;
 import java.util.stream.IntStream;
 import java.util.stream.Stream;

src/main/java/stream/Solution.java

@@ -1,3 +1,5 @@
+package stream;
+
 import java.util.List;
 import java.util.Scanner;
 import java.util.Spliterator;
@@ -5,7 +7,7 @@ import java.util.stream.Collectors;
 import java.util.stream.StreamSupport;
 
 /**
- * Solution involving a Sukdoku Board, a SudokuVerifier, plus some Stream processing.
+ * stream.Solution involving a Sukdoku stream.Board, a stream.SudokuVerifier, plus some Stream processing.
 **/
 class Solution {
 	

src/main/java/stream/SudokuVerifier.java

@@ -1,3 +1,5 @@
+package stream;
+
 import java.util.stream.Stream;
 
 public class SudokuVerifier {

src/test/java/stream/SolutionTest.java

@@ -1,3 +1,5 @@
+package stream;
+
 import java.io.*;
 import java.util.stream.Collectors;
 
@@ -34,7 +36,7 @@ class SolutionTest {
 	}
 	
 	@ParameterizedTest
-	@CsvFileSource( resources = "testdata.csv" )
+	@CsvFileSource( resources = "/testdata.csv" )
 	void main( @ConvertWith( SudokuConverter.class ) final String input, final String expected ) throws IOException {
 		// keep original streams
 		InputStream oldIn = System.in;

src/test/resources/testdata.csv

@@ -1,10 +1,10 @@
-sudoku1.txt, true
-sudoku2.txt, true
-sudoku3.txt, false
-sudoku4.txt, true
-sudoku5.txt, false
-sudoku6.txt, true
-sudoku7.txt, true
-sudoku8.txt, false
-sudoku9.txt, false
-sudoku10.txt, false
+/sudoku1.txt, true
+/sudoku2.txt, true
+/sudoku3.txt, false
+/sudoku4.txt, true
+/sudoku5.txt, false
+/sudoku6.txt, true
+/sudoku7.txt, true
+/sudoku8.txt, false
+/sudoku9.txt, false
+/sudoku10.txt, false