import jave.util.Scanner;
public class ScannerDemo
{
public static void main (String[] args)
{
Scanner scanner=new Scanner(System.in);
System.out.print("请输入你的名字:");
System.out.printf("你好! %s!\n",scanner.next());
}
}
public class ScannerDemo
{
public static void main (String[] args)
{
Scanner scanner=new Scanner(System.in);
System.out.print("请输入你的名字:");
System.out.printf("你好! %s!\n",scanner.next());
}
}
感谢大家的回答!
编程的时候注意点、、、、
你看你写的什么
import java.util.Scanner;