Today's Question:  What does your personal desk look like?        GIVE A SHOUT

SEARCH KEYWORD -- Oracle



  Java AbstractMethodError explained and demonstrated

According to Oracle Java API documentation, AbstractMethodError is a kind of runtime error where the application is having some incompatible changes which leads to a missing implementation of an abstract method. Below is the official description. Thrown when an application tries to call an abstract method. Normally, this error is caught by the compiler; this error can only occur at run time if the definition of some class has incompatibly changed since the currently executing method was last co...

   JAVA,ABSTRACTMETHODERROR     2016-07-22 22:03:20

  The difference between System.load and System.loadLibrary in Java

When writing code using native library in Java, normally the first step is loading some native library. static{   System.load("D:" + File.separator + "Hello.dll"); } JDK provides two ways to load libraries: System.load(String filename) System.loadLibrary(String libname) This post will try to explain the differences of these two ways. According to Java Doc on System.load(), it has below description. Loads the native library specified by the filename argument. The filename a...

   NATIVE,JNI,JAVA,SYSTEM.LOAD,SYSTEM.LOADLIBRARY     2019-02-05 05:49:28

  TikTok confirms to sue US government

TikTok confirmed on Saturday to sue US government and US president Donald Trump over Trump administration's executive order on potentially banning TikTok in US. This Chinese short video app is the most downloaded app on App Store and PlayStore over past few months and has gained extremely high popularity among American youths. The parent company ByteDance claimed that the government's ban is illegal and hurts the interests of America people. "Even though we strongly disagree with the administra...

   BYTEDANCE,TIKTOK,US GOVERNMENT     2020-08-22 22:27:29

  A new SSL 3.0 vulnerability named POODLE is released

Today a new SSL v3 security vulnerability is released by Google and it affects all products which is using SSL v3 protocol as this vulnerability is introduced by a design flaw. Google revealed details of the design flaw on Tuesday, and dubbed it POODLE – short for Padding Oracle On Downgraded Legacy Encryption. It is a blunder within the blueprints of SSL 3.0 rather than a software bug, so it affects any product following the protocol – from Google Chrome and Mozilla Firefox to Micro...

   SSL v3, vulnerability, Google, POODLE     2014-10-15 04:48:59

  Microsoft is the 17th largest contributor to Linux

The Linux Foundation has released 2012 Linux White Paper which analyzes developers and contributors of the Linux kernel from 2.6.36 to 3.2.The top ten contributors are: Red Hat, Intel, Novell, IBM, Texas Instruments, Broadcom, Nokia, Samsung, Oracle, and Google. The software giant Microsoft's contribution ranked at 17, while the company's CEO Steve Ballmer has claimed previously that Linux is a cancer. Microsoft engineers have contributed 688 patches, which are mostly related to Hyper-V vir...

   Linux,Microsoft,Contribution     2012-04-05 07:43:19

  Bad code plagues business applications, especially Java ones

A new study examining 365 million lines of code in 745 applications identifies bad coding practices that affect security, performance and uptime, with Java Enterprise Edition applications having the greatest number of problems. Cast Software, which makes tools that automate the analysis of business applications, examined programs written in Java-EE, .NET, ABAP, C, C++, Cobol, Oracle Forms, and Visual Basic, used across a wide range of industries from energy and financial services to IT co...

   Program,Security,Defects,Java     2011-12-09 07:42:51

  Seven Java projects that changed the world

O\'Reilly is celebrating the release of Java 7, and our inaugural OSCON Java conference: July 25-27 in Portland, Ore. Java\'s open source ecosystem is strong and healthy, one of the primary reasons for our creation of OSCON Java. Over the last decade, several projects have traveled beyond mere adoption and had effects dominating the Java world, into software development in general, and some even further into the daily lives of users. JUnit Ported to Java by Kent Beck and Erich Gamma from Be...

   Java,Projects,Prominent,Eclipse,Sue     2011-07-26 02:50:42

  Migrate from MySQL to MariaDB in Ubuntu

The biggest movement of escaping from MySQL in this century starts, openSUSE,Fedora and Arch have started to use MariaDB instead of MySQL as their default database. Many people also dislike the attitude of Oracle on MySQL, so it's reasonable to migrate from MySQL to MariaDB. The whole process is not complicated. Here we share the steps to migrate from MySQL to MariaDB in Ubuntu. Installation procedure: sudo apt-key adv --recv-keys --keyserver keyserver.ubuntu.com 0xcbcb082a1bb943db Modify /etc/a...

   MySQL,MariaDB,Ubuntu     2013-08-13 11:14:51

  Run executable jar on double click on Windows

Normally after installing Java, there will be an association between .jar and the javaw.exe. This enables the executable jar to be opened on double click. You can check the association by going to Control Panel -> Programs -> Default Programs -> Associate a file type or protocol with a program. The default program of a file type can be changed in this dialog. However sometimes there are cases where the file association for .jar may be altered after a third party application instal...

   JAVA,WINDOWS,JAR,EXECUTABLE JAR     2016-05-12 03:05:04

  Recursive class initialization in Java

When a Java class is referenced and initialized, it has to go through the loading and linking first. Once the loading and linking complete successfully. The class will be initialized. The static variables and constant variables will be initialized during this process. Once the class is initialized, it is ready for use. If when class A is initialized and it is referencing a class B, the class B will also get initialized. But what will happen if class B is referencing class A as well? This is call...

   Java,JVM,class initialization,static final     2015-04-15 21:04:29