案例：数值拆分
需求：拆分三位数，把个位、十位、百位分别输出
public class Test3 {
public static void main(String[] args) {
Scanner scanner = new Scanner(System.in);
System.out.println("请输入一个三位数：");
int num = scanner.nextInt();
int ge = num % 10;
int shi = num / 10 % 10;
int bai = num /100;
System.out.println("个位是：" + ge + ",十位是:" + shi + ",百位是：" + bai);
}
}
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