status.java

基于MVC模式的学生选课系统。实现学生信息注册、学生选课和管理员的课程信息维护操作

package dao;
import java.util.List;
import java.util.ArrayList;
import java.util.Iterator;

public class Status {
	
	/* The list of ExcePtion objects */ 
	private List exceptions;
	
	public Status () { 
		
		exceptions = new ArrayList(); 
	}
	
	public boolean isSuccessful(){ 
		
		return (exceptions.size() ==0);
	} 
	
	public void addException (Exception ex){ 
		
		exceptions.add(ex); 
	} 
		
	public Iterator getExceptions(){ 
		
		return exceptions.iterator();
	} 
}