public class MainClass
{
public static void main( String args[] )
{
GradeBook myGradeBook = new GradeBook();
String courseName = "Java ";
myGradeBook.displayMessage( courseName );
}
}
class GradeBook
{
public void displayMessage( String courseName )
{
System.out.printf( "Welcome to the grade book for\n%s!\n",
courseName );
}
}
Welcome to the grade book for
Java !