publicclassMain{publicstaticvoidmain(String[]args){MyClassmyObject=newMyClass();myObject.amount=10.12345;TwoDecimalPlacesProcessor.process(myObject);System.out.println(myObject.amount);// 输出: 10.12System.out.println(myObject.calculateAmount());// 输出: 10.12}} 1. 2. 3. 4. 5. 6. 7. 8...
publicclassDecimalChecker{publicstaticbooleanisTwoDecimalPlaces(doublenumber){returnnumber>=10&&number<100;}publicstaticvoidmain(String[]args){doublenumber1=12.34;doublenumber2=123.456;doublenumber3=1.2;System.out.println(number1+" is two decimal places: "+isTwoDecimalPlaces(number1));System.out.print...
DecimalFormat df = new DecimalFormat(); df.setMaximumFractionDigits(2); System.out.println(df.format(decimalNumber));
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)/...
int decimalPlaces = 2; BigDecimal bd = new BigDecimal(number); bd = bd.setScale(decimalPlaces,...
The result should be rounded to 2 decimal places If and only if it is not an integer. Sample Input 4 + 1 2 - 1 2 * 1 2 / 1 2 Sample Output 3 -1 2 0.50 [java] view plain copy import java.util.Scanner; public class Main { public static void main(String[] args) { Scanner ...
BigDecimal方法会根据数字的具体精度位数,来判断是否需要使用科学计数法。 验证代码 publicstaticvoidmain(String[] args){BigDecimaldecimal=newBigDecimal("0.00000000000009");DecimalFormatdecimalFormatNumberOfDecimalPlaces2=(DecimalFormat) NumberFormat.getNumberInstance(Locale.CHINA); ...
importjava.math.BigDecimal;importjava.math.RoundingMode;publicclassBigDecimalOperationsExtendedWithDecimalPlacesExample{publicstaticvoidmain(String[]args){BigDecimal num1=newBigDecimal("10.5");BigDecimal num2=newBigDecimal("5.3");// 加法 BigDecimal sum = num1.add(num2); // 使用 setScale 方法将加法结果...
Java 2 decimal4j Public Forked from tools4j/decimal4j Java library for fast fixed-point arithmetic based on longs with support for up to 18 decimal places. Java 2 aviatorscript Public Forked from killme2008/aviatorscript A high performance scripting language hosted on the JVM. Java...
Returns a BigDecimal which is equivalent to this one with the decimal point moved n places to the right. [Android.Runtime.Register("movePointRight", "(I)Ljava/math/BigDecimal;", "GetMovePointRight_IHandler")] public virtual Java.Math.BigDecimal? MovePointRight (int n); Parameters n Int32...