Little Vasya has received a young builder’s kit. The kit consists of several wooden bars, the lengths of all of them are known. The bars can be put one on the top of the other if their lengths are the...
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其他好文 时间:
2014-07-22 23:01:53
阅读次数:
323
本次内容:异常机制1、为什么需要异常2、异常3、error类4、exception类5、exception类中的unchecked
exception 举例:6、常用异常处理方法a.try注意:一个try语句块至少得带一个finally语句块或catch语句块 1 package
array; 2....
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编程语言 时间:
2014-05-12 16:17:54
阅读次数:
406
程序在执行过程中出现异常是正常的,在程序的编写过程中出现异常也是不可避免的。但是要有相应的异常处理的机
制,来保证程序的正常执行。PL/SQL程序执行过程中出现的错误,称为异常。一个优秀的程序都应该能够正确处理
各种出错的情况,并尽可能的从错误中恢复。PL/SQL提供了异常处理机制。
概念:
异常处理(exception)是用来处理正常执行过程中未预料的事件,程序块的异常处理定义的错误...
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数据库 时间:
2014-05-03 00:01:10
阅读次数:
381
【题目】
Your boss has just unearthed a roll of old computer tapes. The tapes have holes in them and might contain some sort of useful information. It falls to you to figure out what is written on them...
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其他好文 时间:
2014-05-02 23:35:16
阅读次数:
526
Shaass has decided to hunt some birds. There are n horizontal electricity wires aligned parallel to each other. Wires are numbered 1 to n from
top to bottom. On each wire there are some oskols sitti...
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其他好文 时间:
2014-05-02 20:48:26
阅读次数:
462
package ioTest.io1;
import java.io.FileWriter;
/*
* 对已有文件中的数据进行续写
* 为了方便处理,这里面的异常都直接抛出
*/
public class FileWriterDemo2 {
public static void main(String[] args) throws Exception {
//参数true,确定了...
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编程语言 时间:
2014-05-02 19:32:34
阅读次数:
463
Write an efficient algorithm that searches for
a value in anmxnmatrix. This matrix has the following properties:Integers in
each row are sorted from l...
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其他好文 时间:
2014-05-02 10:41:53
阅读次数:
267
Problem
A Communist regime is trying to redistribute wealth in a village. They have have decided to sit everyone around a circular table. First, everyone has converted all of their properties to co...
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其他好文 时间:
2014-05-02 10:30:59
阅读次数:
375
1、具体报错如下
2014-5-1 23:02:38 org.apache.catalina.core.StandardWrapperValve invoke
严重: Servlet.service() for servlet [jsp] in context with path [/UploadFile] threw exception [An exception occurred proce...
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其他好文 时间:
2014-05-02 04:53:03
阅读次数:
325
Farm IrrigationTime Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 5051 Accepted Submission(s): 2167Problem Description
Benny has a spacious far...
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其他好文 时间:
2014-04-30 22:12:40
阅读次数:
264