Java is a programming language that is very popular amongst developers. In order to run Java applications Java Runtime Environment a.k.a. JRE should be installed. As new features come or security bugs fixed JRE is updated regularly. Java or JRE can be updated in different ways where we will look at these ways in this tutorial.
Java是一种在开发人员中非常流行的编程语言。 为了运行Java应用程序,应该安装Java Runtime Environment aka JRE。 随着新功能的出现或安全漏洞的修复,JRE会定期更新。 Java或JRE可以通过不同的方式进行更新,我们将在本教程中介绍这些方式。
安装Java(JRE) (Install Java (JRE))
We will start with the installation of Java or JRE. First, we will browse the following URL which provides the Java installation executables for the all Windows operating system like Windows 7, Windows 8, Windows 10, Windows 2008, Windows 2012, Windows 2016 etc.
我们将从安装Java或JRE开始。 首先,我们将浏览以下URL,该URL为所有Windows操作系统(例如Windows 7,Windows 8,Windows 10,Windows 2008,Windows 2012,Windows 2016等)提供Java安装可执行文件。
https://java/en/download/windows_manual.jsp
https://java/zh-CN/download/windows_manual.jsp
We can see that the following installation files are provided
我们可以看到提供了以下安装文件
- Windows Online will download a little executable which will 1.87 MB and download all required files and libraries for Java from the internet.Windows Online将下载一个1.87 MB的可执行文件,并从互联网上下载Java所需的所有文件和库。
- Windows Offline will download all files and libraries which is 63.53 MB. Windows Offline将下载63.53 MB的所有文件和库。
- Windows Offline (64-bit) which contains all files and libraries for Java installation. It is 71.44 MB and can be used for a 64-bit browser. Windows脱机版(64位),其中包含Java安装的所有文件和库。 它是71.44 MB,可以用于64位浏览器。
During the installation we will see the following screen which will provide basic information about the currently running installation process.
在安装过程中,我们将看到以下屏幕,其中将提供有关当前正在运行的安装过程的基本信息。
When the installation is complete successfully we will see the following screen which provides “You have successfully installed Java” message.
安装成功完成后,我们将看到以下屏幕,其中显示“您已成功安装Java”消息。
检查Java或JRE版本(Check Java or JRE Version)
Java or JRE provides regular updates. New updates are numbered according to track updates. Each update or Java version has a version number. We can print this version number in different ways like command-line, GUI, or Browser. We can use java
command with the --version
option in order to check the version of the installed Java or JRE.
Java或JRE提供定期更新。 新更新根据曲目更新编号。 每个更新或Java版本都有一个版本号。 我们可以通过命令行,GUI或浏览器等不同方式打印此版本号。 我们可以将java
命令与--version
选项一起使用,以检查已安装的Java或JRE的版本。
> java --version
Alternatively we can check Java or JRE version with the GUI where we will write java about to the Start box like below.
另外,我们可以使用GUI来检查Java或JRE版本,如下所示,我们将在其中将Java写入“开始”框中。
About Java
This will open following Windows here version information is provided which is version 8 and Update 201.
这将在Windows下打开,此处提供了版本信息,即版本8和更新201。
We can also check the Java or JRE version from the following link where we need to click the Accept and Continue
button on this page.
我们还可以从以下链接中检查Java或JRE版本,我们需要单击此页面上的Accept and Continue
按钮。
https://www.java/en/download/installed.jsp
https://www.java/cn/download/installed.jsp
检查Java或JRE更新 (Check Java or JRE Update)
We can check if there is a Java or JRE update from different ways like checking the version. We can use GUI or Web in order to check Java or JRE updates. From the web, we can use the following URL to check Java or JRE Update.
我们可以通过不同的方式(例如检查版本)来检查是否有Java或JRE更新。 我们可以使用GUI或Web来检查Java或JRE更新。 在网络上,我们可以使用以下URL检查Java或JRE更新。
https://www.java/en/download/installed.jsp
https://www.java/cn/download/installed.jsp
When we click our Java or JRE
当我们单击Java或JRE时
We can see that your Java is Out of Date
message with the A newer version of Java available
. We have Java version 8.181 but the latest Java version is 8.201. We can update Java or JRE with the Download Java Now
button which will continue classical Java Install which is explained above.
我们可以看到your Java is Out of Date
消息your Java is Out of Date
并且A newer version of Java available
。 我们具有Java版本8.181,但最新的Java版本是8.201。 我们可以使用Download Java Now
按钮更新Java或JRE,该按钮将继续上述经典的Java安装。
从Java网站更新Java (Update Java From Java Web Site)
Well we can update Java or JRE on Windows operating systems in different ways. We will start with the web where we will visit following URL where we have been used for update check.
好了,我们可以通过不同的方式在Windows操作系统上更新Java或JRE。 我们将从网络开始,在这里我们将访问以下用于更新检查的URL。
https://www.java/en/download/installed.jsp
https://www.java/cn/download/installed.jsp
Then we will click I Agree to the Terms and Want to Continue
.
然后,我们将单击I Agree to the Terms and Want to Continue
。
This will redirect us following page where Java Online installer will run. We will click Run
command.
这会将我们重定向到运行Java Online安装程序的下一页。 我们将单击Run
命令。
We will click Yes
in the following screen to install and update Java with Administrator privileges.
我们将在以下屏幕中单击“ Yes
,以管理员权限安装和更新Java。
We will click Install
to start the installation.
我们将单击“ Install
以开始安装。
This is the installation phase of the Java.
这是Java的安装阶段。
When the new version of the Java installation complete we will see a Windows which will list old or out-of-date versions of Java to uninstall. We will click Uninstall
新版Java安装完成后,我们将看到一个Windows,其中列出了要卸载的Java旧版本或过期版本。 我们将点击Uninstall
Here is the uninstall process of old and out-of-date Java
这是旧的和过时的Java的卸载过程
When uninstall of old Java completed we will see the following screen. We can click Next
旧Java的卸载完成后,我们将看到以下屏幕。 我们可以点击Next
Now we can exit from the update of the Java.
现在我们可以退出Java更新。
通过GUI从Java更新Java (Update Java From Java From GUI)
We can update Java from GUI or Desktop by using Java Configuration tool. We can open the Java configuration tool from Computer
->Control Panel
->Java
我们可以使用Java配置工具从GUI或桌面更新Java。 我们可以从Computer
-> Control Panel
-> Java
打开Java配置工具
Or writing Configure Java
to the Start menu like below.
或将“ Configure Java
写入“开始”菜单,如下所示。
Then we will open the Update
pane where we can find the Update
button below.
然后,我们将打开“ Update
窗格,在下面可以找到“ Update
按钮。
We will see the following screen where we have to click Update
. We can see that Java Update Available
message which means there is an update version.
我们将看到以下屏幕,我们必须单击Update
。 我们可以看到Java Update Available
消息,这意味着有一个更新版本。
After this step, the update process will continue like web-based Java update.
此步骤之后,更新过程将像基于Web的Java更新一样继续进行。
LEARN MORE How To Install Eclipse Java Development Environment On Windows ? 了解更多信息如何在Windows上安装Eclipse Java开发环境?翻译自: https://www.poftut/how-to-and-install-java-jre-update-on-windows/
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