zxx2403的专栏

<br />import java.io.BufferedReader;<br />import java.io.File;<br />import java.io.FileInputStream;<br />import java.io.InputStream;<br />import java.io.InputStreamReader;<br />import java.io.OutputStream;<br />import java.io.Reader;<br />imp

1. find the java process id by followingcommand $JDK/bin/jps 2. capture java thread dump by jstackutility:$JDK/bin/jstack

http://bugs.java.com/bugdatabase/view_bug.do?bug_id=6202721 JDK-6202721 : SHA1PRNG reads from /dev/random even if /dev/urandom selectedDetails Type:Bu

TheJDBC driver tracing facility utilizes package java.util.logging. There are twoways to initiate JDBC tracing:use system propertiesjava.util.logging APIThisdocument introduces the tracing logge

Preface:BOM (byte-order mark) 是被用來當做標示檔案是以UTF-8、UTF-16或UTF-32編碼的記號. 在 UTF-8 文件的BOM中，長度為3個字節，BOM的用意就是告訴編輯器當前文件採​​用何種編碼，方便編輯器識別。但是在Eclipse中，帶有BOM的java源碼生成javadoc時卻會出現如下錯誤:E:/workspace/Test/src/e

import java.io.ByteArrayOutputStream;import java.io.DataOutputStream;import java.io.IOException;import java.io.InputStream;import java.net.HttpURLConnection;import java.net.URL;import java

In the previous tutorials we saw how to read and write Excel files using the Apache POI library. In this tutorial we will see how to create password protected excel using Apache POI.There are 2

今天写个java 程序，出现如下错误java.sql.SQLException: ORA-03115: 不支持的网络数据类型或表示法发现原因如下            pstmt = conn.prepareStatement(strSql);            pstmt.setString(1, strFund_code);            rset

import java.io.BufferedReader;import java.io.File;import java.io.InputStreamReader;import org.apache.http.HttpEntity;import org.apache.http.HttpHost;import org.apache.http.HttpResponse;i

JSmooth http://jsmooth.sourceforge.net/exe4j  不注册会弹出提示框  http://www.ej-technologies.com/download/exe4j/files.htmlThe current ver

import java.io.BufferedReader;import java.io.IOException;import java.io.InputStreamReader;import org.apache.http.HttpEntity;import org.

import java.io.BufferedReader;import java.io.BufferedWriter;import java.io.File;import java.io.FileInputStream;import java.io.FileOu

import java.io.FileInputStream;import java.io.IOException;import org.apache.poi.hssf.usermodel.HSSFWorkbook;import org.apache.poi.poif

public static void download(){        String url = strUrl;        String user = strUser;        String pwd = strPassword;

set JAVA_HOME="C:\Program Files\Java\jdk1.6.0_25"set JAVAC=%JAVA_HOME%\bin\javacset JAVA_BIN=%JAVA_HOME%\bin\javaset PATH=.;%JAVA_HOME%\bins

package com.fil.test;import java.io.File;import java.io.FileInputStream;import java.io.InputStream;import java.io.OutputStream;import java.sql.Connection;import java.sql.DriverManager;import java.sql.PreparedStatement;import java.sql.Result

package com.fil.hk.test;import java.io.IOException;import org.w3c.dom.*;import org.xml.sax.SAXException;import javax.xml.parsers.*;import javax.xml.xpath.*;public class XmlTest {    /**     * @param args     * @throws ParserConfigurationE

<br />import java.io.BufferedReader;<br />import java.io.File;<br />import java.io.FileInputStream;<br />import java.io.InputStream;<br />import java.io.InputStreamReader;<br />import java.io.OutputStream;<br />import java.io.Reader;<br />imp

When that happens, the easiest solution that has been tested on Windows XP, Windows 7 and Windows 8 is:Open the Control PanelGo to SystemGo to Advanced Systems PropertiesThen Environment