标题:为什么我这里Scanner类不能用啊?
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嶄ぎ儱
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为什么我这里Scanner类不能用啊?

import java.util.*;
public class Ppt
{
public static void main(String arg[])
{
Scanner sc = new Scanner(System.in);
int i = sc.nextInt();

}
}
为什么,我编译时会不行?
错误:
Ppt.java:6: cannot resolve symbol
symbol : class Scanner
location: class Ppt
Scanner sc = new Scanner(System.in);
^
Ppt.java:6: cannot resolve symbol
symbol : class Scanner
location: class Ppt
Scanner sc = new Scanner(System.in);

^

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2007-05-23 08:46



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