e315. formatting and parsing a locale-specific percentage.txt

这里面包含了一百多个JAVA源文件

// Format
    Locale locale = Locale.CANADA;
    String string = NumberFormat.getPercentInstance(locale).format(123.45);
    // 12,345%
    
    // Parse
    try {
        Number number = NumberFormat.getPercentInstance(locale).parse("123.45%");
        // 1.2345
        if (number instanceof Long) {
            // Long value
        } else {
            // Double value
        }
    } catch (ParseException e) {
    }

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