如何在Ubuntu下安装JDK 10？ [英] How to install JDK 10 under Ubuntu?

问题描述

如何在Ubuntu上安装Java Development Kit（JDK）10？

How do I install Java Development Kit (JDK) 10 on Ubuntu?

安装说明仅解释如何在Linux平台上下载和解压缩存档，无需任何系统设置。

The installation instructions on Oracle's help center only explain how to download and extract the archive on Linux platform, without any system setup.

推荐答案

更新：JDK 11现已推出

Update: JDK 11 Now Available

sudo apt-get install openjdk-11-jdk

---

对于JDK 10

选项1：简单安装（PPA）

---

For JDK 10

Option 1: Easy Installation (PPA)

sudo add-apt-repository ppa:linuxuprising/java
sudo apt-get update
sudo apt-get install oracle-java10-installer

然后设置默认为：

Then set as default with:

sudo apt-get install oracle-java10-set-default

最后验证安装：

And finally verify Installation with:

$ java -version
java version "10.0.1" 2018-04-17
Java(TM) SE Runtime Environment 18.3 (build 10.0.1+10)
Java HotSpot(TM) 64-Bit Server VM 18.3 (build 10.0.1+10, mixed mode)

资料来源： Linux Uprising

• 下载 OpenJDK 10 二进制文件。

解压下载的档案：

tar xzvf openjdk-10_linux-x64_bin.tar.gz

将提取的存档移动到系统保存已安装JDK的位置：

Move the extracted archive to where your system keeps your installed JDKs:

sudo mv jdk-10 /usr/lib/jvm/java-10-openjdk-amd64/

添加新Ja替代方案：

Add the new Java alternative:

sudo update-alternatives --install /usr/bin/java java /usr/lib/jvm/java-10-openjdk-amd64/bin/java 1
sudo update-alternatives --install /usr/bin/javac javac /usr/lib/jvm/java-10-openjdk-amd64/bin/javac 1

更新系统的Java备选方案并选择JDK 10：

Update your system's java alternatives and choose JDK 10:

$ sudo update-alternatives --config java
here are 3 choices for the alternative java (providing /usr/bin/java).

  Selection    Path                                            Priority   Status
------------------------------------------------------------
  0            /usr/lib/jvm/java-9-openjdk-amd64/bin/java       1091      auto mode
* 1            /usr/lib/jvm/java-10-openjdk-amd64/bin/java      1         manual mode
  2            /usr/lib/jvm/java-8-openjdk-amd64/jre/bin/java   1081      manual mode
  3            /usr/lib/jvm/java-9-openjdk-amd64/bin/java       1091      manual mode

Press <enter> to keep the current choice[*], or type selection number: 

和

$ sudo update-alternatives --config javac
There are 3 choices for the alternative javac (providing /usr/bin/javac).

  Selection    Path                                          Priority   Status
------------------------------------------------------------
* 0            /usr/lib/jvm/java-9-openjdk-amd64/bin/javac    1091      auto mode
  1            /usr/lib/jvm/java-10-openjdk-amd64/bin/javac   1         manual mode
  2            /usr/lib/jvm/java-8-openjdk-amd64/bin/javac    1081      manual mode
  3            /usr/lib/jvm/java-9-openjdk-amd64/bin/javac    1091      manual mode

Press <enter> to keep the current choice[*], or type selection number: 1
update-alternatives: using /usr/lib/jvm/java-10-openjdk-amd64/bin/javac to provide /usr/bin/javac (javac) in manual mode

用以下方式验证您的安装：

Verify your installation with:

$ java --version
openjdk 10 2018-03-20
OpenJDK Runtime Environment 18.3 (build 10+46)
OpenJDK 64-Bit Server VM 18.3 (build 10+46, mixed mode)

和

$ javac --version
javac 10

完成

Done

如果您更喜欢Oracle的JDK，请下载它并按照上面显示的安装步骤进行操作。

If you prefer Oracle's JDK, download it and follow the installation steps as shown above.

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