// GradeBook class with a constructor to initialize the course name.
public class GradeBook
{
private String courseName; // course name for this GradeBook
// constructor initializes courseName with String argument
public GradeBook( String name ) // constructor name is class name
{
courseName = name; // initializes courseName
} // end constructor
// method to set the course name
public void setCourseName( String name )
{
courseName = name; // store the course name
} // end method setCourseName
// method to retrieve the course name
public String getCourseName()
{
return courseName;
} // end method getCourseName
// display a welcome message to the GradeBook user
public void displayMessage()
{
// this statement calls getCourseName to get the
// name of the course this GradeBook represents
System.out.printf( "Welcome to the grade book for\n%s!\n",
getCourseName() );
} // end method displayMessage
} // end class GradeBook
// GradeBookTest.java
// GradeBook constructor used to specify the course name at the
// time each GradeBook object is created.
public class GradeBookTest
{
// main method begins program execution
public static void main( String[] args )
{
// create GradeBook object
GradeBook gradeBook1 = new GradeBook(
"CS101 Introduction to Java Programming" );
GradeBook gradeBook2 = new GradeBook(
"CS102 Data Structures in Java" );
// display initial value of courseName for each GradeBook
System.out.printf( "gradeBook1 course name is: %s\n",
gradeBook1.getCourseName() );
System.out.printf( "gradeBook2 course name is: %s\n",
gradeBook2.getCourseName() );
} // end main
} // end class GradeBookTest
