Android™ How to Program, Second Edition

Class Declaration with a Method That Has One Parameter

We now declare class GradeBook (Fig. B.3) with a displayMessage method that displays the course name as part of the welcome message. (See the sample execution in Fig.B.4.) The new method requires a parameter that represents the course name to output.

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 1   // Fig. B.3: GradeBook.java 2   // Class declaration with one method that has a parameter. 3  4   public class GradeBook 5   { 6      // display a welcome message to the GradeBook user 7      public void displayMessage( String courseName ) 8      { 9         System.out.printf( "Welcome to the grade book for\n%s!\n",10            courseName );                                          11      } // end method ...