src/share/classes/sun/misc/FormattedFloatingDecimal.java

*** 1015,1026 ****
--- 1015,1034 ----
                  if (exp - 1 < -4 || exp - 1 >= precision) {
                      form = Form.SCIENTIFIC;
                      precision--;
                  } else {
                      form = Form.DECIMAL_FLOAT;
+                     if (digits.length == 1 && digits[0] == '0'
+                         && precision == 1) {
+                         // When the number is zero and precision is 1, set the 
+                         // precision to 0 so that a decimal point and digits
+                         // are not added by code later in this method.
+                         precision--;
+                     } else {
                          precision = precision - exp;
                      }
+                 }
                  break;
              default:
                  assert false;
              }
              decExponentRounded = exp;