Assignment #3
1) Implement the Speaker interface described below and create three classes that implement Speaker in various ways. Create a driver class whose main method instantiates some of these objects and test their abilities.
public interface Speaker {
public void speak();
public void announce( String str );
}
2) Create a program that reads a text (.txt) file and does the following:
a. Count the number of lines in the file
b. Count the number of words in the file
The text file will be read from the command prompt:
eg: (for FileScan.java program)
c:\ java FileScan myTextFile.txt
