官网：https://www.oracle.com/cn/java/technologies/downloads/
下载地址：https://www.oracle.com/cn/java/technologies/downloads/#java11
下载最好直接在官网页面上点击下载
mkdir -p /data/soft/jdk11
cd /data/soft/jdk11
wget https://download.oracle.com/otn/java/jdk/11.0.21%2B9/8819d0447e4d41b3bd1d9e1007728d17/jdk-11.0.21_linux-x64_bin.rpm
tar -xvf jdk-11.0.21_linux-x64_bin.tar.gz
mv jdk-11.0.21 jdk11
cd jdk11/bin
./java -version
java version "11.0.21" 2023-10-17 LTS
Java(TM) SE Runtime Environment 18.9 (build 11.0.21+9-LTS-193)
Java HotSpot(TM) 64-Bit Server VM 18.9 (build 11.0.21+9-LTS-193, mixed mode)
cd ..
pwd
/data/soft/jdk11/jdk11 #JDK11的JAVA_HOME