java双精度值不能转换为布尔值
我只是不知道为什么会出现这个错误,如果你能帮我找出错误,我将不胜感激。这是密码
import java.util.Scanner;
public class FirstSelectionProgram {
public static void main(String[] args) {
Scanner key=new Scanner(System.in);
double spent;
System.out.println("Please Enter The Amount That You Have Spent: ");
spent= key.nextDouble();
if (0.01=<spent && spent=<40)
{
System.out.println("you will receive 20% off");
}
else
{
System.out.println("you won't receive anything");
}
}
}
# 1 楼答案
不要做
if (0.01=<spent && spent=<40)
尝试if (0.01 <= spent && spent <= 40)