public class Main {
public static void main(String[] args) {
Integer num=456213
Integer a = num % 10
Integer b = num / 10 % 10
Integer c = num / 100 % 10
System.out.println("个位:"+a+",十位:"+b+",百位:"+c)
Double dNum = 78962.123456
String dNumStr = dNum.toString()
int point = dNumStr.indexOf('.')
char aa = dNumStr.charAt(point - 1)
char bb = dNumStr.charAt(point - 2)
char cc = dNumStr.charAt(point - 3)
System.out.println("个位:"+aa+",十位:"+bb+",百位:"+cc )
}
}