cleaned up RadioPlayer and made help functions package private

src/main/java/device/radioPlayer/RadioPlayer.java

@@ -24,7 +24,7 @@ public class RadioPlayer implements Device {
     int savedVolume;
     String playedStation;
 
-    public String getYouFMInfoByTime(int x) {
+    String getYouFMInfoByTime(int x) {
         if (x >= 5 && x < 10) return YouFMInfo[0];
         else if (x >= 10 && x < 14) return YouFMInfo[1];
         else if (x >= 14 && x < 18) return YouFMInfo[2];
@@ -36,7 +36,7 @@ public class RadioPlayer implements Device {
 
     String[] YouFMInfo = {"YOUFM Good Morning Show", "YOUFM Worktime", "YOUFM am Nachmittag", "YOUFM am Abend", "YOUFM Wir feiern euch", "YOUFM Deutschrap ideal", "YOUFM Junge Nacht der ARD"};
 
-    public String getBR3InfoByTime(int x) {
+    String getBR3InfoByTime(int x) {
         if (x >= 5 && x < 9) return BR3Info[0];
         else if (x >= 9 && x < 12) return BR3Info[1];
         else if (x == 12) return BR3Info[2];
@@ -49,7 +49,7 @@ public class RadioPlayer implements Device {
 
     String[] BR3Info = {"Sebastian Winkler und die Frühaufdreher", "BAYERN 3 - und DU mittendrin!", "Update", "Hits, Hits, Hits für euren Nachmittag", "Die Zwei für euren Feierabend", "Was geht?!", "Matuschke - der etwas andere Abend", "Die Nacht"};
 
-    public String getAntenneBYInfoByTime(int x) {
+    String getAntenneBYInfoByTime(int x) {
         if (x >= 5 && x < 9) return AntenneBYInfo[0];
         else if (x >= 9 && x < 12) return AntenneBYInfo[1];
         else if (x >= 12 && x < 15) return AntenneBYInfo[2];

src/test/java/device/radioPlayer/RadioPlayerTest.java

@@ -6,7 +6,6 @@ import org.junit.jupiter.api.Test;
 import org.junit.jupiter.params.ParameterizedTest;
 import org.junit.jupiter.params.provider.Arguments;
 import org.junit.jupiter.params.provider.MethodSource;
-
 import java.lang.reflect.Method;
 import java.util.ArrayList;
 import java.util.Arrays;
@@ -104,9 +103,12 @@ class RadioPlayerTest {
     @ParameterizedTest
     @MethodSource("infoByTimeOptions")
     void infoByTimeInfo(String testName, RadioPlayer testRp, String testTyp, int hour, String expectedResult) {
-        if(testTyp.equals("YouFM")) assertThat(testRp.getYouFMInfoByTime(hour)).describedAs(testName).isEqualTo(expectedResult);
-        if(testTyp.equals("BR3")) assertThat(testRp.getBR3InfoByTime(hour)).describedAs(testName).isEqualTo(expectedResult);
-        if(testTyp.equals("AntenneBY")) assertThat(testRp.getAntenneBYInfoByTime(hour)).describedAs(testName).isEqualTo(expectedResult);
+        if (testTyp.equals("YouFM"))
+            assertThat(testRp.getYouFMInfoByTime(hour)).describedAs(testName).isEqualTo(expectedResult);
+        if (testTyp.equals("BR3"))
+            assertThat(testRp.getBR3InfoByTime(hour)).describedAs(testName).isEqualTo(expectedResult);
+        if (testTyp.equals("AntenneBY"))
+            assertThat(testRp.getAntenneBYInfoByTime(hour)).describedAs(testName).isEqualTo(expectedResult);
     }
 
     static Stream<Arguments> infoByTimeOptions() {