Merge pull request #5 from DevFactory/release/utility-classes-should-not-have-public-constructors-fix-1

squid:S1118 - Utility classes should not have public constructors

Author: fmbenhassine

src/main/java/io/github/benas/unixstream/Functions.java

@@ -10,7 +10,11 @@
  *
  * @author Mahmoud Ben Hassine ([email protected])
  */
-public class Functions {
+public final class Functions {
+
+    private Functions() throws InstantiationException {
+        throw new InstantiationException("This class is not created for instantiation");
+    }
 
     /**
      * Compact a string by removing all white spaces.

src/main/java/io/github/benas/unixstream/Predicates.java

@@ -9,7 +9,11 @@
  *
  * @author Mahmoud Ben Hassine ([email protected])
  */
-public class Predicates {
+public final class Predicates {
+
+    private Predicates() throws InstantiationException {
+        throw new InstantiationException("This class is not created for instantiation");
+    }
 
     /**
      * Create a new predicate returning true when the input is not null.