Added One Player Only Checker + Test

projjpn/src/main/java/de/hs_fulda/ciip/projjpn/Games.java

@@ -1281,4 +1281,33 @@ public class Games {
 
 		return result.substring(0, result.length() - 2);
 	}
+	
+	public String checkOnePlayerOnly() {
+		String result = "";
+		String query = "SELECT Game_Name, Game_Players FROM Games";
+
+		try {
+			Connection connection = DriverManager.getConnection(databaseURL);
+
+			Statement statement = connection.createStatement();
+			ResultSet resultSet = statement.executeQuery(query);
+
+			while (resultSet.next()) {
+				String gameName = resultSet.getString("Game_Name");
+				String gamePlayers = resultSet.getString("Game_Players");
+
+				if (gamePlayers.equals("1")) {
+					result += gameName + ", ";
+				}
+
+			}
+			statement.close();
+			connection.close();
+
+		} catch (SQLException e) {
+			e.printStackTrace();
+		}
+
+		return result.substring(0, result.length() - 2);
+	}
 }

projjpn/src/test/java/de/hs_fulda/ciip/projjpn/GamesTest.java

@@ -219,4 +219,11 @@ public class GamesTest extends TestCase {
 		String actual = testObject.checkEightPlayer();
 		assertEquals(expected, actual);
 	}
+	
+	public void test_checkOnePlayerOnly() {
+		Games testObject = new Games();
+		String expected = "Persona 5 Royal, Ratchet & Clank, Fire Emblem: Three Houses, Triangle Strategy, Rhythm Paradise, Yakuza: Dead Souls, Breakdown, AI: The Somnium Files, Persona 3 Portable, Tomodachi Life, Beautiful Katamari, Atelier Totori Plus, Crash Bandicoot N. Sane Trilogy";
+		String actual = testObject.checkOnePlayerOnly();
+		assertEquals(expected, actual);
+	}
 }