Question

用java实现输入一个3位整数,编程实现取其个,十,百位上的数字,并逆序输出

Answer 1

public class Demo1 {
public static void main(String[] args) {
int a = 987;
int bai = a / 100;
int shi = a / 10 % 10;
int ge = a % 100 % 10;
System.out.println("" + ge + shi + bai);
}
}

或者

public class Demo1 {
public static void main(String[] args) {
Integer a=new Integer(103);
char[] arr = a.toString().toCharArray();
int ge=arr[2];
int shi=arr[1];
int bai=arr[0];
for (int i = arr.length-1; i >=0; i--) {
System.out.print(arr[i]);
}
}
}