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Java is a computer programming language that is concurrent, class-based and object-oriented. It was originally developed by James Gosling at Sun Microsystems. Java applications are compiled to bytecode (class file) that can run on any Java virtual machine (JVM) regardless of computer architecture.
Java is currently owned by the Oracle Corporation which acquired Sun Microsystems in 2010. Following tutorial will show you how to setup and configure Java 1.7 on Windows so you can develop and run Java code.
Check following posts if you are looking to download and install JDK 1.5, JDK 1.6, JDK 1.8, JDK 1.9 or JDK 1.10.
Java can be obtained from the Oracle Java download page. There are a number of different Java packages available, for this tutorial we will be installing Java Standard Edition (SE) on Windows.
In order to be able to compile Java code, we need the Java Development Kit (JDK) package that comes with a Java compiler. The JDK package also comes with a Java runtime environment (JRE) that is needed to run compiled Java code.
As we are installing an older Java version, you need to scroll all the way down to the bottom of the Oracle Java download page and click on the Download button in the Java Archive section. Then look for the Java SE 7 link and after clicking on it, select the correct operating system under Java SE Development Kit 7u80.
Here is the direct link to download the jdk 1.7.0_80 installer for Windows 32 or 64 bit.
Accept the License Agreement and pick the correct download for your operating system. In this example, we will use the Windows 64 bit version.
Sign in using your Oracle account (or create a new one) and the download should start. Once the download is complete, locate the jdk-7u80-windows-x64.exe file and double-click to run the installer.
Click Next and on the following screen optionally change the installation location by clicking on the Change.. button. In this example the install location was changed to 'C:Javajdk1.7.0_80'. From now on we will refer to this directory as: [java_install_dir].
Next, the installer will present the installation location of the public JRE. We will skip this part of the installer as the JDK installed in the previous step comes with a private JRE that can run developed code. Just press Cancel and confirm by clicking Yes in the popup window.
Click Next and then Close to finish installing Java.
In order for Java applications to be able to run we need to setup a 'JAVA_HOME' environment variable that will point to the Java installation directory. In addition, if we want to run Java commands from a command prompt we need to setup the 'PATH' environment variable to contain the Java bin directory.
When using Windows the above parameters can be configured on the Environment Variables panel. Click on the Windows Start button and enter 'env' without quotes as shown below.
Environment variables can be set at account level or at system level. For this example click on Edit environment variables for your account and following panel should appear.
Click on the New button and enter 'JAVA_HOME' as variable name and the [java_install_dir] as variable value. In this tutorial the installation directory is 'C:Javajdk1.7.0_80'. Click OK to to save.
Click on the New button and enter 'PATH' as variable name and '%JAVA_HOME%bin' as variable value. Click OK to save.
Note that in case a 'PATH' variable is already present you can add ';%JAVA_HOME%bin' at the end of the variable value.
The result should be as shown below. Click OK to close the environment variables panel.
In order to test the above configuration, open a command prompt by clicking on the Windows Start button and typing 'cmd' followed by pressing ENTER. A new command prompt should open in which the following command can be entered to verify the installed Java version:
The result should be as shown below.
This concludes the setting up and configuring JDK 1.7 on Windows.
If you found this post helpful or have any questions or remarks, please leave a comment.
The Oracle GoldenGate Director software and installer both rely on components in the Java Runtime Environment (JRE). In many cases, this environment already exists because it was installed when the system was configured or when another program was installed. If the system where you are installing the server or client components does not have this environment, follow these instructions to download the JRE and verify the JRE environment on UNIX and Windows systems to support Oracle GoldenGate Director.
Note:
See System Requirements for the supported JRE versions.
Downloading the Java Runtime Environment
You can download the JRE free of charge from Oracle.
Go to
http://www.oracle.com/technetwork/java/javase/downloads/index.html
.Under Java Platform, Standard Edition, select either the current release, or click Previous Releases to install an earlier supported version. You can use either the JDK or JRE. The JDK includes the JRE. Do not use any non-supported version or edition of the Java JRE or JDK.
Follow the navigation aids to download the JRE or JDK that is appropriate for your operating system.
Follow the installation instructions that are provided with the JRE.
Save the path to the JRE executable file. You will need it later.
Proceed to the instructions in Verifying the JRE Environment.
Verifying the JRE Environment
This section contains instructions for verifying the JRE environment on UNIX and Windows platforms.
Verifying the JRE on UNIX
After installing the JRE, run the following test to verify the version of Java that is recognized by the system.
From the command shell of the operating system, issue the following command.
Make certain the command output shows the version that you downloaded.
Verifying the JRE on Windows
In order to be able to compile Java code, we need the Java Development Kit (JDK) package that comes with a Java compiler. The JDK package also comes with a Java runtime environment (JRE) that is needed to run compiled Java code.
As we are installing an older Java version, you need to scroll all the way down to the bottom of the Oracle Java download page and click on the Download button in the Java Archive section. Then look for the Java SE 7 link and after clicking on it, select the correct operating system under Java SE Development Kit 7u80.
Here is the direct link to download the jdk 1.7.0_80 installer for Windows 32 or 64 bit.
Accept the License Agreement and pick the correct download for your operating system. In this example, we will use the Windows 64 bit version.
Sign in using your Oracle account (or create a new one) and the download should start. Once the download is complete, locate the jdk-7u80-windows-x64.exe file and double-click to run the installer.
Click Next and on the following screen optionally change the installation location by clicking on the Change.. button. In this example the install location was changed to 'C:Javajdk1.7.0_80'. From now on we will refer to this directory as: [java_install_dir].
Next, the installer will present the installation location of the public JRE. We will skip this part of the installer as the JDK installed in the previous step comes with a private JRE that can run developed code. Just press Cancel and confirm by clicking Yes in the popup window.
Click Next and then Close to finish installing Java.
In order for Java applications to be able to run we need to setup a 'JAVA_HOME' environment variable that will point to the Java installation directory. In addition, if we want to run Java commands from a command prompt we need to setup the 'PATH' environment variable to contain the Java bin directory.
When using Windows the above parameters can be configured on the Environment Variables panel. Click on the Windows Start button and enter 'env' without quotes as shown below.
Environment variables can be set at account level or at system level. For this example click on Edit environment variables for your account and following panel should appear.
Click on the New button and enter 'JAVA_HOME' as variable name and the [java_install_dir] as variable value. In this tutorial the installation directory is 'C:Javajdk1.7.0_80'. Click OK to to save.
Click on the New button and enter 'PATH' as variable name and '%JAVA_HOME%bin' as variable value. Click OK to save.
Note that in case a 'PATH' variable is already present you can add ';%JAVA_HOME%bin' at the end of the variable value.
The result should be as shown below. Click OK to close the environment variables panel.
In order to test the above configuration, open a command prompt by clicking on the Windows Start button and typing 'cmd' followed by pressing ENTER. A new command prompt should open in which the following command can be entered to verify the installed Java version:
The result should be as shown below.
This concludes the setting up and configuring JDK 1.7 on Windows.
If you found this post helpful or have any questions or remarks, please leave a comment.
The Oracle GoldenGate Director software and installer both rely on components in the Java Runtime Environment (JRE). In many cases, this environment already exists because it was installed when the system was configured or when another program was installed. If the system where you are installing the server or client components does not have this environment, follow these instructions to download the JRE and verify the JRE environment on UNIX and Windows systems to support Oracle GoldenGate Director.
Note:
See System Requirements for the supported JRE versions.
Downloading the Java Runtime Environment
You can download the JRE free of charge from Oracle.
Go to
http://www.oracle.com/technetwork/java/javase/downloads/index.html
.Under Java Platform, Standard Edition, select either the current release, or click Previous Releases to install an earlier supported version. You can use either the JDK or JRE. The JDK includes the JRE. Do not use any non-supported version or edition of the Java JRE or JDK.
Follow the navigation aids to download the JRE or JDK that is appropriate for your operating system.
Follow the installation instructions that are provided with the JRE.
Save the path to the JRE executable file. You will need it later.
Proceed to the instructions in Verifying the JRE Environment.
Verifying the JRE Environment
This section contains instructions for verifying the JRE environment on UNIX and Windows platforms.
Verifying the JRE on UNIX
After installing the JRE, run the following test to verify the version of Java that is recognized by the system.
From the command shell of the operating system, issue the following command.
Make certain the command output shows the version that you downloaded.
Verifying the JRE on Windows
After installing the JRE, but before installing Oracle GoldenGate Director Server, verify the path to the JRE by completing the following tasks:
Verify the JRE Version
These steps verify the JRE version that is installed on the server machine.
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On the keyboard, press the Win (Windows) key and the R key simultaneously to open the Run box. Alternatively, you can select Start, then Run.
In the Run box, type
cmd
to run the Windows command console.Issue the following command:
Do one of the following:
If the results show the JRE cversion that you installed, continue to the instructions in Installing Oracle GoldenGate Director Server.
If the results do not show that version, close the command console and continue with the steps in Set the JAVA_HOME System Variable.
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Set the JAVA_HOME System Variable
These steps verify that the JAVA_HOME
system environment variable points to the JRE that you installed, or creates the variable if absent.
On the desktop (Windows 2000) or in the Start menu (Windows XP), right-click My Computer and then click Properties.
Click the Advanced tab, and then click Environment Variables.
Under System Variables, look for the
JAVA_HOME
system variable. TheJAVA_HOME
path should point to the location that you recorded when you installed the JRE.Do one of the following:
If you see the
JAVA_HOME
system variable and it points to the correct location, leave the Environment Variables dialog box open and follow the instructions in Set the JAVA_HOME System Path.If a
JAVA_HOME
system variable does not exist, or if it points to the wrong location, continue to the next step.
Under System Variables, do one of the following:
Click New to create a
JAVA_HOME
variable.Select the existing
JAVA_HOME
variable and then click Edit. This opens a dialog box to edit this variable.
In the Variable Name box, type
JAVA_HOME
in capital letters.In the Variable Value box, type the correct path to the JRE.
Click OK to set the path and close the dialog box.
Leave the Environment Variables dialog box open and follow the instructions in Set the JAVA_HOME System Path.
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Set the JAVA_HOME System Path
These steps ensure that the JAVA_HOME
path is in the expected location within the Path
system variable. Programs such as the Oracle database software place the path to their own JRE installations in the location that is expected by Oracle GoldenGate Director Server.
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In the Environment Variables dialog box, look for the
Path
variable under System Variables.Confirm that the path to
JAVA_HOME
appears as the first path in the list of paths.Do one of the following:
If this
JAVA_HOME
path is the first path in the string, close the Environment Variables and System Properties dialog boxes and follow the instructions in Installing Oracle GoldenGate Director Server.If this
JAVA_HOME
path is not the first path in the string, continue to the next step. Quicktimempeg2 dmg download free.Book Name: Masnavi Rumi Urdu Writer: Maulana Jalal Ud Din Muhammad Rumi. The book Masnavi Rumi Urdu Pdf is an excellent poetry book by Jalal Ud Din Rumi. It is a great book about Sufism and ethics. It is originally in the Persian language and translated into the different languages of the world. Maulana jalaluddin rumi masnavi in urdu pdf.
Under System Variables, double click the
Path
variable to open it for editing.In the path string, locate the
JAVA_HOME
path. If it is there, cut and paste it (including the terminating semi-colon) to the front of the list; otherwise, type it. The path must be entered as%JAVA_HOME%bin
.Click OK to close the Edit System Variable dialog box.
Close the Environment Variables and System Properties dialog boxes.