gradebook.java

这个是JAVA方面的联系程序

package grade;

public class GradeBook {
	String courseName; //课程名称
	
	public GradeBook(String courseName) {
		this.courseName = courseName;
	}
	
	public GradeBook() {
		this(""); // null
	}
	
	//设置课程名称
	public void setCourseName(String courseName) {
		this.courseName = courseName;
	}
	
	//读取课程名称
	public String getCourseName() {
		return courseName;
	}
	
	public void displayMessage() {
		System.out.printf("欢迎浏览(课程名：%s)成绩册！\n", courseName);
	}

}