CSE110 - Principles of Programming with Java  - Lab 12 - Solved

This program is for practicing File IO. You need to develop People Class and PhoneBook Class to construct a simple system that can manage the functions of PhoneBook. 

 



Part1: 

In this Lab, you should first use your program to complete following tasks on your own computer: 

●       Add one record, name: Jack, number: 1234567890 

●       Add one record, name: Anna, number: 2345678901 

●       Save your current records Part2: 

Submit your three source code files and the saved records file in Part1. 

 

Getting Started: 

People Class 

  

 

PhoneBook Class 

Here is the template of PhoneBook Class: 

  

Here is the Coding guideline: 

  

 

Command Program: Lab12 

Here is the template of Lab12 Class: 

  

Here is the Coding guideline: 

  

 

 

Sample output1: 

Select the action that you want to perform:

1.   Add a record. 

2.   Delete a record. 

3.   Read records from file. 

4.   Save your records. 

5.   Exit. 

Enter action number (1-5): 

1 

Input the name of the record:

Jack 

Input the phone number of the record:

1234567890 name number

Jack 1234567890

Select the action that you want to perform: 

1.   Add a record. 

2.   Delete a record. 

3.   Read records from file. 

4.   Save your records. 

5.   Exit. 

Enter action number (1-5): 

Input the name of the record:

Anna 

Input the phone number of the record:

2345678901 name number Jack 1234567890

Anna 2345678901

Select the action that you want to perform: 

1.   Add a record. 

2.   Delete a record. 

3.   Read records from file. 

4.   Save your records. 

5.   Exit. 

Enter action number (1-5): 

4 

Save Successfully!

Select the action that you want to perform: 

1.   Add a record. 

2.   Delete a record. 

3.   Read records from file. 

4.   Save your records. 

5.   Exit. 

Enter action number (1-5): 

5 

Exiting the Program...

 

Sample output2: 

Select the action that you want to perform: 

1.   Add a record. 

2.   Delete a record. 

3.   Read records from file. 

4.   Save your records. 

5.   Exit. 

Enter action number (1-5): 

3 

name number Jack 1234567890

Anna 2345678901

Select the action that you want to perform: 

1.   Add a record. 

2.   Delete a record. 

3.   Read records from file. 

4.   Save your records. 

5.   Exit. 

Enter action number (1-5): 

2 

Input the name of the record you want to delete:

Jack name number

Anna 2345678901

Select the action that you want to perform: 

1.   Add a record. 

2.   Delete a record. 

3.   Read records from file. 

4.   Save your records. 

5.   Exit. 

Enter action number (1-5):

5

Exiting the Program...