Class NumberPrinter
{
 public static void showInt(int n) {System.out.println(n); }
 public static void showDouble(double n) {System.out.println(n); }
}

class ClassMethod
{
 public static void main(String[] args)
 {
  NumberPrinter.showInt(10);
  NumberPrinter num = new NumberPrinter();
  num.showDouble(3.14);
  NumberPrinter.showDouble(3.14);
 }
}


컴파일이안됩니다..ㅠㅠ