課堂測試:輸入整數,求出各位數字的和
阿新 • • 發佈:2017-10-10
option system dia int 整數 != tdi n) .cn
import javax.swing.JOptionPane;
public class Add {
public static void main(String[] args) {
String str=JOptionPane.showInputDialog("輸入一個數");
int n,number,power,j,sum,i;
number=Integer.parseInt(str);
power=1;
i=0;
sum=0;
j=number;
while( j!=0 )
{
power=power*10;
j=j/10;
i=i+1;
}
power=power/10;
System.out.println(i+"位數字是:");
while( power>=1 )
{
n=number/power;
System.out.println(n);
sum=sum+n;
number%=power;
power/=10;
}
System.out.println("和是"+sum);
}
}
課堂測試:輸入整數,求出各位數字的和