Java框架 公共类析因{ /** * @param args the command line arguments */ public static void main(String[] args) { // TODO code application logic here Scanner a = new Scanner(System.in); System.out.println("Enter Number "); int x = a.nextInt(); System.out.println("factorial "+x+"value "+fact(x)); } public static int fact(int x) { //throw new UnsupportedOperationException("Not