Nếu danh sách không phải là trống rỗng, sau đó di chuyển con trỏ đến phần tử ở cuối danh sách và trả về true. Nếu không, trả về false. Nếu con trỏ không phải là lúc kết thúc của một danh sách, sau đó di chuyển con trỏ đến phần tử tiếp theo trong danh sách và trả về true. | LABORATORY 9 boolean gotoEnd Precondition None. Postcondition If a list is not empty then moves the cursor to the element at the end of the list and returns true. Otherwise returns false. boolean gotoNext Precondition List is not empty. Postcondition If the cursor is not at the end of a list then moves the cursor to the next element in the list and returns true. Otherwise returns false. boolean gotoPrior Precondition List is not empty. Postcondition If the cursor is not at the beginning of a list then moves the cursor to the preceding element in the list and returns true. Otherwise returns false. Object getCursor Precondition List is not empty. Postcondition Returns a copy of the element marked by the cursor. void showStructure Precondition None. Postcondition Outputs the keys of the elements in a list. If the list is empty outputs ÒEmpty listÓ. Note that this operation is intended for testing debugging purposes only. It only supports keys that are one of Java s primitive data types int char and so forth . 196 LABORATORY 9 LABORATORY 9 Cover Sheet Name__ Hour Period Section__ Date__ Place a check mark S in the Assigned column next to the exercises that your instructor has assigned to you. Attach this cover sheet to the front of the packet of materials that you submit for this laboratory. Exercise Assigned Completed Prelab Exercise Bridge Exercise n-lab Exercise 1 n-lab Exercise 2 n-lab Exercise 3 Postlab Exercise 1 Postlab Exercise 2 Total .
