Resolved #85

src/main/java/strman/Strman.java

@@ -1051,7 +1051,9 @@ public abstract class Strman {
      * @return String in camelCase.
      */
     public static String toCamelCase(final String value) {
-        validate(value, NULL_STRING_PREDICATE, NULL_STRING_MSG_SUPPLIER);
+        if (value == null || value.length() == 0) {
+            return "";
+        }
         String str = toStudlyCase(value);
         return str.substring(0, 1).toLowerCase() + str.substring(1);
     }
@@ -1343,6 +1345,15 @@ public abstract class Strman {
         return input.split("\r\n?|\n");
     }
 
+    /**
+     * Converts a underscored or camelized string into an dasherized one.
+     *
+     * @param input The input String
+     * @return dasherized String.
+     */
+    public static String dasherize(String input) {
+        return toKebabCase(input);
+    }
 
     /**
      * Converts an underscored, camelized, or dasherized string into a humanized one. Also removes beginning and ending whitespace.

src/test/java/strman/StrmanTests.java

@@ -1153,4 +1153,19 @@ public class StrmanTests {
         assertThat(humanize(""), equalTo(""));
         assertThat(humanize(null), equalTo(""));
     }
+
+    @Test
+    public void dasherize_shouldDasherizeInputString() throws Exception {
+        assertThat(dasherize("the_dasherize_string_method"), equalTo("the-dasherize-string-method"));
+        assertThat(dasherize("TheDasherizeStringMethod"), equalTo("the-dasherize-string-method"));
+        assertThat(dasherize("thisIsATest"), equalTo("this-is-a-test"));
+        assertThat(dasherize("this Is A Test"), equalTo("this-is-a-test"));
+        assertThat(dasherize("thisIsATest123"), equalTo("this-is-a-test123"));
+        assertThat(dasherize("123thisIsATest"), equalTo("123this-is-a-test"));
+        assertThat(dasherize("the dasherize string method"), equalTo("the-dasherize-string-method"));
+        assertThat(dasherize("the  dasherize string method  "), equalTo("the-dasherize-string-method"));
+        assertThat(dasherize("input with a-dash"), equalTo("input-with-a-dash"));
+        assertThat(dasherize(""), equalTo(""));
+        assertThat(dasherize(null), equalTo(""));
+    }
 }