public class Course {

 private String courseID;
 private String courseName;
 private double credit;
 private String introduction;


 Course(){
 this.courseID = "C02002";
 this.courseName = "Java程序设计基础";
 this.credit = 4.0;
 this.introduction = "本课程是计算机科学与技术专业的一门专业基础课,...";
 }

 public Course(String courseID, String courseName, double credit, String introduction){
 this.courseID = courseID;
 this.courseName = courseName;
 this.credit = credit;
 this.introduction = introduction;
 }

 public String getCourseID() {
 return courseID;
 }

 public void setCourseID(String courseID) {
 this.courseID = courseID;
 }

 public String getCourseName() {
 return courseName;
 }

 public void setCourseName(String courseName) {
 this.courseName = courseName;
 }

 public String getIntroduction() {
 return introduction;
 }

 public void setIntroduction(String introduction) {
 this.introduction = introduction;
 }

 public double getCredit() {
 return credit;
 }

 public void setCredit(double credit) {
 this.credit = credit;
 }

 public void Print(){
 System.out.println("课程代码:"+ courseID+"\n"
 +"课程名称:"+ courseName+"\n"
 +"课程学分:"+credit+"\n"
 +"课程简介:"+introduction+"\n");
 }

}