productnotfoundexception.java

基于JSP的家电连锁超市管理系统 数据库也在文件内

package electric.dbs;

import java.io.*;
//继承异常信息
public class ProductNotFoundException extends Exception
{
	private Throwable nestedThrowable=null;
	//使用父类中的构造函数
	public ProductNotFoundException()
	{
		super();
	}
	public ProductNotFoundException(String msg)
	{
		super(msg);
	}
	//自定义部分构造函数
	public ProductNotFoundException(Throwable nestedThrowable)
	{
		this.nestedThrowable=nestedThrowable;
	}
	public ProductNotFoundException(String msg,Throwable nestedThrowable)
	{
		super(msg);
		this.nestedThrowable=nestedThrowable;
	}
	//写出自己的异常信息处理方式
	public void printStackTrace()
	{
		super.printStackTrace();
		if(nestedThrowable!=null)
		{
			nestedThrowable.printStackTrace();
		}
	}
	//自定义传递参数中的printStackTrace方法
	public void printStackTrace(PrintStream ps)
	{
		super.printStackTrace(ps);
		if(nestedThrowable!=null)
		{
			nestedThrowable.printStackTrace(ps);
		}
	}
	//自定义传递参数中的printStackTrace方法
	public void printStackTrace(PrintWriter pw)
	{
		super.printStackTrace(pw);
		if(nestedThrowable!=null)
		{
			nestedThrowable.printStackTrace(pw);
		}
	}
}