Java IO.pdf - Nguyen Dang Binh

}
String integerField = digits.substring(0, minIntegerDigits);
String fractionField = digits.substring(minIntegerDigits,
minIntegerDigits+maxFractionDigits);
toAppendTo.append(integerField);
toAppendTo.append(symbols.getDecimalSeparator());
toAppendTo.append(fractionField);
toAppendTo.append('E');
if (exponent > 0) toAppendTo.append('+');
toAppendTo.append(exponent);
}
return toAppendTo;
public Number parse(String text, ParsePosition parsePosition) {
int oldIndex = parsePosition.getIndex();
try {
double result = parser.parse(text, parsePosition).doubleValue();
int eposition = text.toUpperCase().indexOf('E');
if (eposition != -1) {
// advance past the E
parsePosition.setIndex(eposition + 1);
// ignore a + sign
if (text.charAt(parsePosition.getIndex()) == '+') {
parsePosition.setIndex(parsePosition.getIndex() + 1);
}
int exponent = parser.parse(text, parsePosition).intValue();
result *= Math.pow(10, exponent);
}
return new Double(result);
}
catch (Exception e) {
parsePosition.setIndex(oldIndex);
return null;
}
}
public Object clone() {
}
ExponentialFormat theClone = (ExponentialFormat) super.clone();
theClone.parser = (DecimalFormat) parser.clone();
theClone.symbols = (DecimalFormatSymbols)
theClone.parser.getDecimalFormatSymbols();
return theClone;
/**
* Overrides equals
*/
public boolean equals(Object o) {
}
if (!super.equals(o)) return false;
ExponentialFormat other = (ExponentialFormat) o;
other.symbols = other.parser.getDecimalFormatSymbols();
if (!this.parser.equals(other.parser)) return false;
if (!this.symbols.equals(other.symbols)) return false;
return true;
Java I/O
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