如果我们需要保留生成的随机double数值的两位小数,我们可以使用DecimalFormat类来格式化输出。下面是一个示例代码: importjava.text.DecimalFormat;importjava.util.Random;publicclassRandomDoubleGenerator{publicstaticvoidmain(String[]args){Randomrandom=newRandom();doublerandomValue=random.nextDouble();DecimalFormatdf=newD...
Rounding bigdecimal to 2 decimal places Check BigDecimal contains Zero or not Convert BigInteger to/from ByteArray #How to Convert BigDecimal to Double in Java TheBigDecimalclass in Java provides a method named doubleValue for convertingBigDecimalto adoublevalue. Depending on the magnitude of the Big...
In the above code, we declare two double variablesnum1andnum2with the numbers we want to multiply. We perform the multiplication and store the result in theresultvariable. We then create aDecimalFormatobject and set the rounding mode toRoundingMode.HALF_UP. Finally, we use theformat()method o...
Learn toround off numeric values (floats and doubles) to 2 decimal places in Java. Note that we can use the given solutions to round off to any number of places according to requirements. Quick Reference doublenumber=4.56789; // 1. Using Math.round()doublerounded=Math.round(number*100.0)/...
We specify a new pattern withapplyPattern. This pattern adds zeros to decimal places, if they are empty. Grouping digits The,format character is used for grouping of digits. Main.java import java.text.DecimalFormat; void main() { double n = 2_125_405.30; ...
public class DecimalOutputExample { public static void main(String[] args) { double decimalNumber = 123.456789; DecimalFormat df = new DecimalFormat("#.##"); // 保留两位小数 String formattedNumber = df.format(decimalNumber); System.out.println("Formatted with DecimalFormat: " + formattedNumber)...
4. RoundingDoubles WithBigDecimal To rounddoubles tondecimal places, we can write ahelper method: private static double round(double value, int places) { if (places < 0) throw new IllegalArgumentException(); BigDecimal bd = new BigDecimal(Double.toString(value)); ...
// Employee.java// Employee ClassclassEmployee{// Declare a private int variable for employee_idprivateintemployee_id;// Declare a private String variable for employee_nameprivateStringemployee_name;// Declare a private double variable for employee_salaryprivatedoubleemployee_salary;// Getter method ...
//GB val teraBytes = formatSizeByTypeWithDivisor(gigaByte, scale, SIZE_TYPE_GB, divisor) if (teraBytes.toDouble() < 1) { return "${gigaByte.toPlainString()}${if (withUnit) SIZE_TYPE_GB.unit else ""}" } //TB return "${teraBytes.toPlainString()}${if (withUnit) SIZE_TYPE_TB.unit...
BigDecimal(Double) Translates a double into a BigDecimal which is the exact decimal representation of the double's binary floating-point value. BigDecimal(Int32, MathContext) Translates an int into a BigDecimal, with rounding according to the context settings. BigDecimal(Int32) Translates an int...