我有以下代码需要从用户处取出10个字符并以相反顺序将其打印出来。我似乎无法通过Scanner
这一个语法错误。我怎样才能一次输入一个字符?这是我到目前为止:将字符读入数组
import java.util.Scanner;
public class ReverseOrder
{
//-----------------------------------------------------------------
// Reads a list of char from user and prints in reverse.
//-----------------------------------------------------------------
public static void main (String[] args)
{
Scanner scan = new Scanner (System.in);
char[] letters = new char[10];
System.out.println ("The size of the array: " + letters.length);
for (int index = 0; index < letters.length; index++)
{
System.out.print ("Enter number " + (index+1) + ": ");
letters[index] = scan.nextchar(); //doesnt like this line
}
System.out.println ("The numbers in reverse order:");
for (int index = letters.length-1; index >= 0; index--)
System.out.print (letters[index] + " ");
}
}
此外,见http://stackoverflow.com/questions/18746185/why-doesnt-the-scanner-class-have -a-nextchar-method和http://stackoverflow.com/questions/2597841/scanner-method-to-get-a-char和http://stackoverflow.com/questions/19417813/compiler-says-java-code -is-invalid/19417824#19417824 – Justin