import java.util.*;
public class InputFloat
{
public static void main(String args[])
{
double a,b,c;
Scanner sc=new Scanner(System.in);
System.out.println("从键盘输入一个浮点数");
a=sc.nextDouble();
b=a*a;
c=a*a*a;
System.out.println("b="+b);
System.out.println("c="+c);
}
}
请问哪里出错?
public class InputFloat
{
public static void main(String args[])
{
double a,b,c;
Scanner sc=new Scanner(System.in);
System.out.println("从键盘输入一个浮点数");
a=sc.nextDouble();
b=a*a;
c=a*a*a;
System.out.println("b="+b);
System.out.println("c="+c);
}
}
请问哪里出错?
Inputfloat.java:7: cannot resolve symbol
symbol:class Scanner
location:class InputFloat
Scanner sc=new Scanner(System.in);
或者是没有添加try {} catch{}吧,