Merge pull request #6921 from asturcon/BAEL-2427-getCauseException

Bael 2427 get cause exception

core-java-modules/core-java/pom.xml

@@ -454,7 +454,7 @@
         <gson.version>2.8.2</gson.version>
 
         <!-- util -->
-        <commons-lang3.version>3.5</commons-lang3.version>
+        <commons-lang3.version>3.9</commons-lang3.version>
         <commons-io.version>2.5</commons-io.version>
         <commons-math3.version>3.6.1</commons-math3.version>
         <decimal4j.version>1.0.3</decimal4j.version>

core-java-modules/core-java/src/main/java/com/baeldung/exceptions/RootCauseFinder.java

@@ -30,7 +30,7 @@ public class RootCauseFinder {
         private AgeCalculator() {
         }
 
-        public static int calculateAge(String birthDate) throws CalculationException {
+        public static int calculateAge(String birthDate) {
             if (birthDate == null || birthDate.isEmpty()) {
                 throw new IllegalArgumentException();
             }
@@ -44,7 +44,7 @@ public class RootCauseFinder {
             }
         }
 
-        private static LocalDate parseDate(String birthDateAsString) throws DateParseException {
+        private static LocalDate parseDate(String birthDateAsString) {
 
             LocalDate birthDate;
             try {
@@ -62,14 +62,14 @@ public class RootCauseFinder {
 
     }
 
-    static class CalculationException extends Exception {
+    static class CalculationException extends RuntimeException {
 
         CalculationException(DateParseException ex) {
             super(ex);
         }
     }
 
-    static class DateParseException extends Exception {
+    static class DateParseException extends RuntimeException {
 
         DateParseException(String input) {
             super(input);