[java]
import java.math.BigDecimal ;
/*
实现两个大数的加减乘除
*/
public class BigDecimalTest
{
public static void main(String[] args)
{
String x = "1000000000000000000000000000000000000000000000.5" ;
String y = "2" ;
BigDecimal b1 = new BigDecimal(x) ;
BigDecimal b2 = new BigDecimal(y) ;
System.out.println("result: ") ;
System.out.println("相加: "+ b1.add(b2)) ;
System.out.println("相减: "+ b1.subtract(b2)) ;
System.out.println("相乘: "+ b1.multiply(b2)) ;
System.out.println("相除: "+ b1.divideToIntegralValue(b2)) ;//舍弃小数部分
}
}
import java.math.BigDecimal ;
/*
实现两个大数的加减乘除
*/
public class BigDecimalTest
{
public static void main(String[] args)
{
String x = "1000000000000000000000000000000000000000000000.5" ;
String y = "2" ;
BigDecimal b1 = new BigDecimal(x) ;
BigDecimal b2 = new BigDecimal(y) ;
System.out.println("result: ") ;
System.out.println("相加: "+ b1.add(b2)) ;
System.out.println("相减: "+ b1.subtract(b2)) ;
System.out.println("相乘: "+ b1.multiply(b2)) ;
System.out.println("相除: "+ b1.divideToIntegralValue(b2)) ;//舍弃小数部分
}
}