在编译时获取“错误不是语句”

Question

                            case 2: int n;
                            int fact;
                            fact = 1;
                            System.out.println("What is your number");
                            n = scan.nextInt();
                            for (i >= n; i++;)
                            {
                                fact = fact*i;
                            }
                            System.out.println("The factorial of" + n + fact);
                            System.exit(0);

情况2不在一条较大的链中，它返回一条错误消息，指出“ i> = n”不是语句。

Answer 1

第一个语句应该是for循环中的初始化语句。阅读 - https://docs.oracle.com/javase/tutorial/java/nutsandbolts/for.html