StringUtil.newStringUnsafeMethod = newStringUnsafeMethod;
            chars = new char[] { 'a', 'b', 'c', ' ' };
            assertThat(StringUtil.newStringUnsafe(chars), is("abc "));
        }
        char[] chars = new char[0];
        assertThat(StringUtil.newStringUnsafe(chars), is(""));
        chars = new char[] { 'a', 'b', 'c' };

            final Class<?> javaLangAccessClass = Class.forName("sun.misc.JavaLangAccess");
            newStringUnsafeMethod = javaLangAccessClass.getMethod("newStringUnsafe", char[].class);
        } catch (final Throwable t) {
            // ignore
            // t.printStackTrace();
        }
    }

    /**
     * Checks if the string is empty or null.
     *