[JAVA]数字分割

/*

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██║     ██╔══╝  ██║   ██║    ╚════██║██╔══██║██║
███████╗███████╗╚██████╔╝    ███████║██║  ██║██║
╚══════╝╚══════╝ ╚═════╝     ╚══════╝╚═╝  ╚═╝╚═╝

数字分割

*/
public class Demo06 {
    public static void main(String[] args) {
        int money = 10_0000_0000;
        System.out.println(money);

        int years=20;
        int total = money*years;
        System.out.println(total); //-1474836480 内存溢出
        long total2 = money*((long)years);
        System.out.println(total2); //先把一个数据转换为long
    }
}