public static void main(String op[]){
double p = 234.34;
double x ;
x = Math.floor(p);
int y = (int)x;
String s = Integer.toString(y);
String d = Double.toString(p);
d = d.substring(s.length()+1,d.length());
System.out.println(s+" "+d);
}
var num=234.887;
var integer=parseInt(num);
var flt=num-integer;
var fltln=(num.toString()).length-(integer.toString()).length-1;
var fltint=(flt.toString()).substring(2,(fltln+2));
alert("整数: "+integer+" 小数: "+fltint);