public class FormatFloatExample { public static void main(String[] args) { double number = 123.456789; int decimalPlaces = 2; String formattedString = String.format("%.2f", number); System.out.println(formattedString); } } 在上述代码中,%.2f是一个格式说明符,其中.后的2表示小数点后要显示...
[C#] String Format for Int – format (align) integer numbers [C#] String Format for DateTime – format date and time [C#] IFormatProvider for Numbers – format and parse float numbers using CultureInfo [C#] Custom IFormatProvider – string formatting with custom IFormatProvider [C#] Align S...
public static void main(String[] args) { double number = 123.456789; double roundedNumber = roundToTwoDecimalPlaces(number); System.out.println(roundedNumber); // 输出:123.46 } public static double roundToTwoDecimalPlaces(double value) { return Math.round(value * 100.0) / 100.0; } } “` ...
以下是使用Math类的round方法实现Java float转string去掉小数点的示例代码: publicclassFloatToStringExample{publicstaticvoidmain(String[]args){floatnumber=3.14f;intdecimalPlaces=2;intfactor=(int)Math.pow(10,decimalPlaces);introundedNumber=Math.round(number*factor);Stringresult=String.valueOf(roundedNumber/fa...
We create a new instance of theDecimalFormat. We pass it a non-localized pattern string. The pattern defines a format for a decimal value with a dot followed by two decimal places. df.applyPattern("#.00"); We specify a new pattern withapplyPattern. This pattern adds zeros to decimal place...
使用String.format () 方法,它可以按照指定的格式化字符串来输出数值,比如 “%.1f” 表示保留一位小数。例如: doublenum=3.14159;Stringresult=String.format ("%.1f", num);// result = "3.1" 复制 使用DecimalFormat 类,它可以按照指定的模式来格式化数值,比如 “#.#” 表示保留一位小数。例如: ...
System.out.println(decimal.toString());//输出:9E-14System.out.println(decimal.toPlainString());//输出: 0.00000000000009System.out.println(decimalFormatNumberOfDecimalPlaces2.format(decimal));//输出:0.00Map<String, Object> map =newjava.util.HashMap<>(); ...
FloatValue() Converts this BigDecimal to a float. GetHashCode() Returns a hash code value for the object. (Inherited from Object) IntValue() Converts this BigDecimal to an int. IntValueExact() Converts this BigDecimal to an int, checking for lost information. JavaFinalize() Called ...
// 3. Using Apache Commons Math's Precision Classfloatrounded=Precision.round(number,2,RoundingMode.ROUND_HALF_EVEN.ordinal());// 4.57 // 4. Displaying a rounded off valueDecimalFormatdf=newDecimalFormat("###.##");Stringrounded=df.format(number);//4.57 ...
Convert a string amount to a float with 2 decimal places in asp.net using c#? convert an image to byte array in vb.net COnvert Database HTML field text to ITEXTSharp text Convert DataSet to byte array Convert Date format into dd-MMM-yyyy format convert date from english numbers format to...