package converter;

public final class IntegerToHexConverter implements Converter {
  public String convert(String inputString) {
    return "hexed" + inputString;
  }
}

@@ -138,18 +138,38 @@
 urn 
-%22hexed%22 + 
+Long.toHexString(Long.valueOf(
 inpu
@@ -175,16 +175,18 @@
 utString
+))
 ;%0A  %7D%0A%7D%0A

Update IntegerToHexConverter.java