Java Utililty Methods Double Number Parse

List of utility methods to do Double Number Parse

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Double Number Parse

Description

The list of methods to do Double Number Parse are organized into topic(s).

Method

Double toDouble(final Object o, final String pattern)
to Double

if (o == null) {
 return null;
} else if (o instanceof Double) {
 return (Double) o;
} else if (o instanceof Number) {
 return new Double(((Number) o).doubleValue());
} else if (o instanceof String) {
 return toDouble((String) o);
...

double toDouble(Locale locale, String value)
to Double

value = value.trim();
ParsePosition pos = new ParsePosition(0);
Number result = NumberFormat.getInstance(locale).parse(value, pos);
if (pos.getIndex() != value.length())
 throw new NumberFormatException("Could not parse: " + value);
return result.doubleValue();

boolean tryParseDoubleValue(String s, double[] result)
Try parse integer value from a string value

NumberFormat format = NumberFormat.getNumberInstance();
ParsePosition position = new ParsePosition(0);
Object parsedValue = format.parseObject(s, position);
if (position.getErrorIndex() > -1) {
 return false;
if (position.getIndex() < s.length()) {
 return false;
...