public class MathTest {
public void test11(String[] s){
BigDecimal[] d = new BigDecimal[s.length];
for(int i=0,ii=s.length;i<ii;i++){
d[i] = new BigDecimal(s[i]);//s[i]先转换成double类型也不行
}
for(int i=0,ii=d.length;i<ii;i++){
for(int j=i+1,len=s.length;i<len;i++){
if(d[i].compareTo(d[j])<0){
BigDecimal temp = d[i];
d[i] = d[j];
d[j] = temp;
}
}
}
for(int i=0,ii=d.length;i<ii;i++){
System.out.println(d[i]);
}
}
public static void main(String[] args) {
String[] s="23414","1.3453","431241.3451531","432143.3412","432143.3413","432143.3411"};
new MathTest().test11(s);
}
｝
实数比较用BigDecimal怎么结果顺序还是不变？
要怎么样比较？
