warenotfoundexception.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.*;

//自定义异常继承父类
public class WareNotFoundException extends Exception
{
	private Throwable nestedThrowable=null;
	//继承父类的构造函数
	public WareNotFoundException()
	{
		super();
	}
	//继承父类的构造函数
	public WareNotFoundException(String msg)
	{
		super(msg);
	}
	//自定义的构造函数
	public WareNotFoundException(String msg,Throwable nestedThrowable)
	{
		super(msg);
		this.nestedThrowable=nestedThrowable;
	}
	//自定义的打印错误的方法
	public void printStackTrace()
	{
		super.printStackTrace();
		if(nestedThrowable!=null)
		{
			nestedThrowable.printStackTrace();
		}
	}
	//自定义的打印错误的方法
	public void printStackTrace(PrintStream ps)
	{
		super.printStackTrace(ps);
		if(nestedThrowable!=null)
		{
			nestedThrowable.printStackTrace(ps);
		}
	}
	//自定义的打印错误的方法
	public void printStackTrace(PrintWriter pw)
	{
		super.printStackTrace(pw);
		if(nestedThrowable!=null)
		{
			nestedThrowable.printStackTrace(pw);
		}
	}
}