Implement a phone book system for employees of a company.
Your program will output the following menu
(1) Enter an employee and a phone pair to the system
(2) Lookup an employee s phone number
(3) Find out who is/are the person(s) of a given number
(4) How many people are currently in the system
(5) Delete an employee from the system
(6) Output all employees name‐phone pair
(7) How many phone numbers total in the current system
(8) Quit
When
RChart 2.1 for the Java[TM] Platform and SWT
有源碼，例子
most popular java component which has been available since 2000 and has been ported also to .NET and Php programming languages
Java is the first language to provide a cross-platform I/O library that is powerful enough to handle all these diverse tasks. Java is the first programming language with a modern, object-oriented approach to input and output. Java s I/O model is more powerful and more suited to real-world tasks than any other major language used today. Java I/O is the first and still the only book to fully expose the power and sophistication of this library.
