前两行正在一起打印

Question

所以我试图从用户那里获取所有这些字符串输入。现在我遇到的问题是，当我选择案例2时，我得到这样的输出。为什么第一行和第二行都打印在一起。无法弄明白。提前谢谢。

输出

你选择了第2项 输入房屋的街道地址：
输入城镇名称

case 2:    

    System.out.println("You've chosen item #2");
    System.out.println("Enter the Street Address of the house:");
    String streetAddress = sc.nextLine();


    System.out.println("Enter the name of the town");
    String nameTown = sc.nextLine();

    System.out.println("Enter the postcode of the town");
    String townPostcode = sc.nextLine();

    System.out.println("Enter the name of the landlord:");
    String landLordname =sc.nextLine();

    System.out.println("Enter the contact number of the landlord:");
    String landlordContact = sc.nextLine();

    System.out.println("Enter the name of the tenant if any or enter null");
    String tenantName=sc.nextLine();

    System.out.println("Enter the contact number of the tenant if any or enter null");
    String tenantContact = sc.nextLine();


    System.out.println("Enter the rent of the house if any or enter null");
    String rent =sc.nextLine();

    System.out.println("Enter the number of weeks in the lease contract or enter null");
    int lease = sc.nextInt();`