Fix/ignore critical smells reported by SonarCloud

Author: SvenWoltmann

src/main/java/eu/happycoders/sort/CountOperations.java

@@ -38,6 +38,7 @@ private void countOps(SortAlgorithm algorithm) {
     countOps(algorithm, true, "descending", ArrayUtils::createReversedArray);
   }
 
+  @SuppressWarnings({"PMD.SystemPrintln", "java:S106"})
   private void countOps(
       SortAlgorithm algorithm,
       boolean sorted,

src/main/java/eu/happycoders/sort/FindMinimumTest.java

@@ -46,6 +46,7 @@ private int countAssignmentsForSize(int size) {
     return assignments;
   }
 
+  @SuppressWarnings({"PMD.SystemPrintln", "java:S106"})
   private void printResults(int iterations) {
     System.out.printf(Locale.US, "Results after %d iterations:%n", iterations);
     for (int i = 0; i < NUM_SIZES; i++) {

src/main/java/eu/happycoders/sort/UltimateTest.java

@@ -28,6 +28,7 @@
  *
  * @author <a href="[email protected]">Sven Woltmann</a>
  */
+@SuppressWarnings({"PMD.SystemPrintln", "java:S106"})
 public class UltimateTest {
 
   static final SortAlgorithm[] ALGORITHMS =
@@ -138,6 +139,8 @@ private void test(
     }
   }
 
+  // In production code, we should never try to be smarter than the JVM; here we do try ;-)
+  @SuppressWarnings({"PMD.DoNotCallGarbageCollectionExplicitly", "java:S1215"})
   private long measureTime(SortAlgorithm algorithm, int[] elements) {
     System.gc();
     long time = System.nanoTime();

src/main/java/eu/happycoders/sort/comparisons/DirectComparison.java

@@ -12,6 +12,7 @@
  *
  * @author <a href="[email protected]">Sven Woltmann</a>
  */
+@SuppressWarnings({"PMD.SystemPrintln", "java:S106"})
 public class DirectComparison {
 
   private static final int WARM_UPS = 15;
@@ -69,6 +70,8 @@ private static int[] getShuffledIndices(int numTestSets) {
     return indices;
   }
 
+  // In production code, we should never try to be smarter than the JVM; here we do try ;-)
+  @SuppressWarnings({"PMD.DoNotCallGarbageCollectionExplicitly", "java:S1215"})
   private long measure(SortAlgorithm sortAlgorithm, int[] elements) {
     System.gc();
 

src/main/java/eu/happycoders/sort/pivot/PivotComparator.java

@@ -45,6 +45,7 @@ private void run() {
     runTest(algorithms);
   }
 
+  @SuppressWarnings({"PMD.SystemPrintln", "java:S106"})
   private void runTest(PartitioningAlgorithm[] algorithms) {
     longestNameLength = Scorecard.findLongestAlgorithmName(algorithms);
 

src/main/java/eu/happycoders/sort/pivot/PivotScorecard.java

@@ -52,6 +52,7 @@ public void add(double largerPartPercentage) {
    *
    * @param longestNameLength the length to which the name is padded
    */
+  @SuppressWarnings({"PMD.SystemPrintln", "java:S106"})
   public void printResult(int longestNameLength) {
     System.out.printf(
         Locale.US,

src/main/java/eu/happycoders/sort/utils/Scorecard.java

@@ -46,6 +46,7 @@ public boolean add(long time) {
    * @param longestNameLength the length to which the name is padded
    * @param label the optional label
    */
+  @SuppressWarnings({"PMD.SystemPrintln", "java:S106"})
   public void printResult(int longestNameLength, String label) {
     System.out.printf(
         Locale.US,