Private constructor added avoiding javadoc warnings

Klausuren/Sd1/2020winter_2/Solve/src/main/java/de/hdm_stuttgart/mi/sd1/ignore_me/SentenceDemo.java

@@ -23,4 +23,7 @@ public class SentenceDemo {
         System.out.println("Number of uppercase letters: " + sentence.getNumberOfLetters(true));
         System.out.println("Number of lowercase letters: " + sentence.getNumberOfLetters(false));
     }
+
+    private SentenceDemo(){/* Ignore me: Suppressing default constructor javadoc generation:
+                                    javadoc does not include private constructors by default */}
 }

Klausuren/Sd1/2020winter_2/Solve/src/main/java/de/hdm_stuttgart/mi/sd1/ignore_me/Test.java

@@ -24,4 +24,7 @@ public class Test {
         }
         System.out.println(index);
     }
+
+    private Test(){/* Ignore me: Suppressing default constructor javadoc generation:
+                                    javadoc does not include private constructors by default */}
 }