Java/“高级”检查[关闭]

你可以尝试在这里使用模数,例如。

if (position_x % 20 == 0 && position_x >=0 && position_x <= 1280) {
    System.out.println("position_x is a multiple of 20 and within range.");
}
else {
    System.out.println("position_x is out of range or not a multiple of 20.");
}