是否可以在 Java 中的 1 个 src 代码上有一个三元运算符、if、if/else 语句和 switch 语句？

问：

我尝试了所有 4 对 1 src 代码，我的程序中途停止。

这是代码，我做错了什么？

/*
 * Click nbfs://nbhost/SystemFileSystem/Templates/Licenses/license-default.txt to change this license
 */

package com.operators;

import java.util.Scanner;

/**
 *
 * @author Casner
 */
public class Operators {

    public static void main(String[] args) {
        
        Scanner type = new Scanner(System.in);
        System.out.print("Welcome to Chip and Burger Joint, would you like to order? please type Yes or No: ");
        String st = type.nextLine();
        String b = "You are now leaving Chip and Burger Joint";
        String c = "Start your order: " ;
        String ord = "Yes".equals(st)? c:b;
        System.out.println(ord);
                
        if(ord.equals(c)){
            
            System.out.print("You have 3 options: 1. Chips only, 2. Burger only, 3. Meal, Please Choose: ");
            int ord1 = type.nextInt();
             
            if(ord1 == 1){
                System.out.print("Please enter MM for mini, S for small, M for medium and L for large: ");
                String chips = type.nextLine();
                
                switch(chips){
                    case "MM": System.out.println("You picked mini chips");
                    break;
                    case "S": System.out.println("You picked small chips");
                    break;
                    case "M": System.out.println("You picked medium chips");
                    break;
                    case "L": System.out.println("You picked large chips");
                    break;
                    default: System.out.println("Thank you!");
                }
            }
            
            else if(ord1 == 2){
                System.out.print("Please enter C for Chicken burger or B for Beef burger: ");
                String burger = type.nextLine();
                switch(burger){
                    case "C": System.out.println("You picked Chicken burger");
                    break;
                    case "B": System.out.println("You picked Beef burger");
                    default: System.out.println("Thank you!");
                }
            }
            
            else if(ord1 == 3){
                System.out.println("Please enter CM for chicken burger meal or BM for beef burger meal");
                String bm = type.nextLine();
                
                switch(bm){
                    case "CM": System.out.println("You picked Chicken burger meal");
                    break;
                    case "BM": System.out.println("You picked Beef burger meal");
                    break;
                    default: System.out.println("Thank you!");
                }
            }
            else System.out.println("Thank You!");
        }
        
        //System.out.println("Thank you!");
    }
}