A DESCRIPTION OF THE PROBLEM :
The currency symbol for Danish Kroner (DDK) when used in Denmark is "kr". In JDK 10 it is rendered as "kr."

REGRESSION : Last worked in version 8u181

STEPS TO FOLLOW TO REPRODUCE THE PROBLEM :
    @Test
    public void testDdkSymbolInDenmark() {
        Locale DK = new Locale("da", "DK");
        assertEquals("kr", Currency.getInstance(DK).getSymbol(DK));
    }

EXPECTED VERSUS ACTUAL BEHAVIOR :
EXPECTED -
kr (passing test)
ACTUAL -
org.junit.ComparisonFailure:
Expected :kr
Actual :kr.

---------- BEGIN SOURCE ----------
    @Test
    public void testDdkSymbolInDenmark() {
        Locale DK = new Locale("da", "DK");
        assertEquals("kr", Currency.getInstance(DK).getSymbol(DK));
    }
---------- END SOURCE ----------

FREQUENCY : always