j2ee| notes
Learn some Java EE every week, make some notes.
Goal: Be proficient in using WebSphere to do Java EE development work.
Come on! Come on!! Come on!!!
For example, install under Linux.
1 ready to install J2SE normal user identity:./j2sdk-1_3_1_01-linux-i386-rpm.bin
**************************************** **************************************** **************************************** ***Author: EasyWave time: 2013.01.03
Category: Android source code analysis statement: reprinted. Please keep the link
NOTE: If any error occurs, please correct it. These are my Learning Log articles ......
**************************************** **************************************** **************************************** ***
Due to the fact that some time ago, I had a
CentOS7 use the yum command to install Java SDK
CentOS 6.X and 7.X come with OpenJDK runtime environment (openjdk ). It is an open-source Java platform on linux.
Installation Method:
1. Enter the following command to view the list of available JDK software packages;
Yum search java
This is because I have installed the Symbian SDK.
Solution:
(From: http://stackoverflow.com/questions/7281016/how-to-uninstall-nokia-connectivity-framework-ncf-cannot-install-nokia-sdk)
1Down voteAccepted
I used regedit.exe to find keyConnectivity_frameworkYou will find something like:HKEY_LOCAL_MACHINE \ SOFTWARE \ wow6432node \ Nokia \ connec
Baidu Search: Java SE Development Kit, you can download the Java SDK, the latest version is 8.0.: Jdk-8u11-windows-i586.1406279697.exeOf course, you can also go to the official download.Installation here does not send a map, you can always point to the next step.My installation is on the D drive.After installation we find the bin directory of the installation dir
1. Download the corresponding Java SDK version from the sun Portal
I downloaded the jdk-6u6-linux-i586-rpm.bin version.
2. grant permissions to the downloaded file
1. Generally, the root permission is required. Enter Su at the $ prompt and enter the password to enter the root mode. Prompt #
2, # chmod 755 jdk-6u6-linux-i586-rpm.bin
3, #./jdk-6u6-linux-i586-rpm.bin
4. # rpm-IVH jdk-6u6-linux-i586-rpm
Baidu Search: Java SE Development Kit, you can download the Java SDK, the latest version is 8.0. : Jdk-8u11-windows-i586.1406279697.exe Of course, you can also go to the official download. Installation here does not send a map, you can always point to the next step. My installation is on the D drive. After installation we find the bin directory of the installatio
architecture more perfect, more stable, more efficient, Many large development teams will find a way to solve these problems, and sun and other distributed leaders realize that in the near future each development team will create their own dedicated solutions, so the Java EE architecture is derived, in order to enable these development teams to quickly implement the above solutions, And the main focus on business processes, should almost understand i
Long time no update, the recent phone on the alarm clock app does not have a good, so want to write a.The Android development environment is set up, so be careful to install the JDK first.1. Install Android StudioGoogle's Android development site has a Chinese version, without crossing GFW to access: https://developer.android.google.cn/At first glance, it feels like Android Studio's installation package is
Preface : Need to install JDK, Python, Android SDKFirst step: Installation and configuration of JDKJDK:http://www.oracle.com/technetwork/java/javase/downloads/jdk-netbeans-jsp-142931.htmlConfiguring Environment variablesIn system variables → new system variableVariable name: java_homeVariable value (fill in the path of the JDK installation): C:\Program files\java
The old SDK manager used previously can only install Android 3.2 APIs. You must update the SDK Manager version before installing Android 4.0 and Android 4.1. The method is as follows:
Step 1: Open the SDK manager,Select available packages,Click "Add add-on site..." and enter the URLHttp://developer.android.com/
Warning: Save your data! The uninstalled sdks and PDK will delete their installation directories. If you have the program source code in the installation directory, the source code will be deleted! The source code of your project should not be stored in the installation directory of the SDK or PDK.
1) uninstall the previous SDK if it exists), use Add/delete programs in the Windows Control Panel.
2) If the
4.4. Test whether the installation is successfulEnter "Android" in the terminal, can open the Android SDK Manager, the instructions are successfulPerhaps you will encounter the problem:1. We have already opened the Android SDK Manager in the previous step, make sure that the Tools directory is installed up-to-date, otherwise it will fail at Studio buildTools directory, select:Android
Js-sdk + JAVA implements the "share to friends" and "send to friends" functions, and js-sdk sends to friends
Follow these steps:
1. Bind a domain name
Log on to the public platform and go to "function Settings" of "public account settings" and enter "JS interface security domain name ". (Especially if you do not need to add http or https, you have suffered a loss
1. This tutorial resolves the possibility of entering ADB in the command or prompting for errors after you have configured the environment variables for the Android SDK. Now provide you with the latest solution, this method can also solve the latest CentOS 6.5 version2. This tutorial supports the latest java8, and this is an example.Tools/Materials
Java8:http://www.oracle.com/technetwork/java/javas
If you compile a Scala project, you encounter the following exception:Can't expand macros compiled by previous versions of ScalaIt is possible that the Scala version of the project is inconsistent with the version of the dependent package, which requires that the project version be adjusted to the same version as the dependent package, the following is the solution:1. Select the project and select Project Structure from file as follows:Or simply click on the "Project Structure" icon in the upper
: $ANDROID _home/tools: $ANDROID _home/platform-tools" ' >> ~/.bashrcecho ' export java_cmd= '/usr/lib/ Jvm/java-7-openjdk-amd64/bin/java "' >> ~/.BASHRCTurn off terminal, and then turn on a terminal for the environment variable to take effect.Launch Android SDK Manager Android Select the latest version of the Android SDK
When using the iPhone SDK for the first time, if you do not know the relationship between the version and the operating system, it will waste a lot of time to download and install the SDK.
The following summarizes some common methods and references that can be used as soon as possible. SDK Installation
Remember to s
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