bigdecimal1.java

来自「Thinking java source」· Java 代码 · 共 36 行

import java.math.*;
public class BigDecimal1{
  public static void main(String[] args){
     BigDecimal a=new BigDecimal("123456789.123456789");
     BigDecimal b=a.movePointLeft(3);
     System.out.println(b);
     BigDecimal c=a.divide(b, BigDecimal.ROUND_DOWN);
     System.out.println(c);
     c=a.divide(b,5, BigDecimal.ROUND_DOWN);
     System.out.println(c);
     System.out.println(a.toBigInteger());
  }
}