很简单的一段程序:
import java.util.Scanner;
public class int_sum {
public static void main(String[] args) {
System.out.println("please enter an integer: ");
Scanner sacnner=new Scanner(System.in);
int x=scanner.nextInt();
int i=x,sum=0;
while(i!=0){
import java.util.Scanner;public class int_sum { public static void main(String[] args) {System.out.println("please enter an integer: ");Scanner scanner = new Scanner(System.in);//这里变量名称错误int x = scanner.nextInt();int i = x, sum = 0;while (i != 0) { sum += i % 10; i = i / 10;}System