#How to Convert Double to BigDecimal in Java #Summary BigDecimal is a class designed for handling arbitrary-precision signed decimal numbers. It comprises a 32-bit integer and an unscaled decimal value. This cl
importjava.math.BigDecimal;importjava.math.BigInteger;publicclassTest11{publicstaticvoidmain(String[]args){BigIntegerbi=newBigInteger("789456");BigDecimalbd=BigDecimal.valueOf(bi.longValue());System.out.println(bd);BigIntegerbi1=newBigInteger("78945612312312312312312");BigDecimalbd1=BigDecimal.valueOf(bi1....
BigDecimal(BigInteger unscaledVal, int scale, MathContext mc)converts a BigInteger and an int scale into a BigDecimal, with rounding according to the context settings. importjava.math.BigDecimal;importjava.math.MathContext;//java2s.compublicclassMain {publicstaticvoidmain(String[] args) { BigDecimal...
importjava.math.BigDecimal;/*java2s.com*/publicclassMain {publicstaticvoidmain(String[] args) { BigDecimal first =newBigDecimal(-1f); BigDecimal second =newBigDecimal(10f); System.out.println(first.compareTo(second)); } } The output:
Exception in thread"main"java.lang.ArithmeticException: / by zero at java.math.BigDecimal.divide(Unknown Source) at BigDecimalDivide.main(BigDecimalDivide.java:8) In my secnario, it is quite possible that both values can be zero. One way to deal with this is: ...
答案:总是使用java.math.BigDecimal表示货币值。 1. Double or Float? Here is an example of usingdoubleandfloatto represent the monetary values in Java. 下面是一个使用double和float来表示Java中的货币值的例子。 1packagemoneycount;23importjava.text.DecimalFormat;45publicclassJavaMoney {6privatestaticDecim...
//package co.java.exception;importjava.math.BigDecimal;publicclassArithmeticException{publicstaticvoidmain(String[]args){BigDecimal a=newBigDecimal(1);BigDecimal b=newBigDecimal(6);a=a.divide(b,7,BigDecimal.ROUND_DOWN);// limit of decimal placeSystem.out.println(a.toString());}} ...
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When doing currency calculations in Java, you might use java.math.BigDecimal—but beware of some of that class’s unique challenges.
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