/** Encapsulate information relating to a single student. ** @author: Jonathan Doughty **/ public class Student3 { public static void main(String args[]) { Student3.tryIt(); Student3.waitForUser(); // only needed for Windows/Javaedit } public static void tryIt() { Student3 aStudent = new Student3(); aStudent.setName("Jonathan Doughty"); aStudent.setId("123-45-6789"); aStudent.setGrade( 100 ); // When the preceding lines are executed, a Student3 object is // created and its two fields are set. // Does the following do something different? What does the // result look like now? System.out.println(aStudent); } // Instance variables (fields) that will be associated with // each student private String GMU_Id; private String name; private int homeworkGrade; // An accessor method to set the Student's name field public void setName( String studentName ) { name = studentName; } // An accessor method to set the Student's GMU_Id field public void setId( String id ) { GMU_Id = id; } // An accessor method to set the Student's homeworkGrade field public void setGrade( int grade ) { homeworkGrade = grade; } // Using the toString method to enable an instance of an // object to identify itself usefully. public String toString() { String result = name + ":" + GMU_Id + " grade:" + homeworkGrade; return result; } // The following is only needed for running the program from // within the Javaedit application on Windows public static void waitForUser() { try { byte[] line = new byte[80]; System.out.println("press enter key to end"); System.in.read(line); } catch (java.io.IOException e) { // ignored } } }