catch exception

In this example, Access is used as an instance, and there are still many improvements. Please improve yourself Package product;Import java. SQL .*;Public class ConnectDB {String strDBDriver = "sun. jdbc. odbc. JdbcOdbcDriver ";String strConnstr =

Document directory The try-finally syntax in the seh exception model is referenced and introduced. All exceptions must be inherited from throwable. Stricter and more rigorous exception handling management! Pay special attention to

Using System;Using System. Globalization;Namespace ConvertDateTime{/// /// ConvertDateTime returns a brief description of the specified parameters. /// Public class ConvertDate{Public ConvertDate (){}//************************************** *********

Using system;Using system. IO;Using system. reflection;Using system. runtime. serialization;Using system. runtime. serialization. formatters. Binary;Using system. runtime. serialization. formatters. Soap;Using system. text;Using system. xml;Using

Visual C #. net network Program development-TCP (date added: 3338-7-15 clicks) [comment on this article] [programmer Forum] [Save the article to hard drive] Print article: Author: Song HuaPrevious

Original: http://blog.csdn.net/xuchanghao/archive/2009/01/16/3796276.aspx   1. Read File Content in multiple ways. 1. Read File Content by byte2. Read File Content by character3. Read File Content by row4. Randomly Read File Content =================

TCP Connection The foundation of TCP is Socket. In the TCP connection, we will use ServerSocket and Socket. After the client and server establish a connection, the rest is basically the control of I/O. Let's first look at a simple TCP communication,

Basic Learning day10 -- exception, package, basic day10 --I. Exceptions 1.1 exception Definition Exception: -- abnormal, abnormal during program running Exception cause: it is actually a specific thing in real life. The horse can express the

In addition to the new features mentioned above, try catch in Java 7 is a simple example in this article. In fact, there are still many points to note. First, let's look at a typical code: Two exception classes are introduced:  Java code Public

Author: precom (preserved egg) 2000.12.10 reply.jsp ==================================== int Pages=1; int pagesize=10; int count=0; int totalpages=0; String countsql= "", inqsql= "", updatesql= "", lwhere= "", insertsql= "", st= ""; String

Compilation of SQL parameter encapsulation class for database Copy Code code as follows: Using System; Using System.Data; Using System.Configuration; Using System.Web; Using System.Web.Security; Using System.Web.UI; Using System.Web.

The previous blog describes how to install memcached in the Windows operating system, summarizing how to use Java to manipulate memcached instances:Code One:Package Com.ghj.packageoftool;import Java.io.bufferedwriter;import Java.io.filewriter;import

First, Code previewThese two days are sent on the struts2 to do the mail. Previous projects were useful to spring, and the mail support classes provided with spring were handy for this function, but now with STRUTS2, there are a series of problems.

This article introduces Java based on socket file transfer case, share to everyone for your reference, the specific contents are as follows 1, Java code Package com.wf.demo.socket.socketfile; Import java.net.*; Import java.io.*; /** *

One, string and Date (java.util.Date) interchange 1.1 String-> Date String datestr = "//::"; Date date = new Date (); Note format must match the format of date string dateformat sdf = new SimpleDateFormat ("Yyyy/mm/dd

The recent need for network transmission of large files, so the socket based on the file transfer made a preliminary understanding. On the basis of a user-provided program, I made some processing, using a buffer input/output flow to wrap the output

    a apply Hibernate framework to edit the additions and deletions to check the small example, here to share, after many changes, from code specifications and later maintenance, as well as the degree of simplicity: a very standard writing format;

The example in this article describes how JSP uses the MVC pattern to complete the deletion and modification functions. Share to everyone for your reference. Specifically as follows: Goal: ① further understand the MVC pattern;② Master the basic

Copy Code code as follows: Using System; Using System.Data; Using System.Configuration; Using System.Data.OracleClient; Using System.Text; Using System.Windows.Forms; Using System.Xml; Using Transactions; DB Summary description

Stc_rsyb_name stcrsyname1[]; Stc_syb_inf stcsybinf1[]; %> String p = (string) session.getvalue ("Access"); if (P==null | |!p.equals ("1")) { Response.sendredirect ("error.htm"); Return }*/ %> file://get the name of the machine or IP String