import java.util.Scanner;
class test{
public static void main(String args[]){
Scanner Scanner = new Scanner(System.in);
String a,b,c,x;
a = Scanner.next();
b = Scanner.next();
c = Scanner.next();
System.out.println("hello, "+a);
System.out.println("hello, "+b);
System.out.println("hello, "+c);
}
}
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我用別的線上網頁編譯可以編譯出來,但是為什麼這邊就一直顯示NA