Err:12 http://security.ubuntu.com/ubuntu Focal-updates/main amd64 openjdk-11-jre-headless amd64 11.0.11+9-0ubuntu2~20.04
404 Not Found [IP: 91.189.88.152 80]

apt install openjdk-11-jre-headless  ## The following error is reported when installing the java environment

2. Solution

apt update

3. Testing

apt install openjdk-11-jre-headless -y

root@DESKTOP-1N42TVH:/home/software/frontend# java --version
openjdk 11.0.13 2021-10-19
OpenJDK Runtime Environment (build 11.0.13+8-Ubuntu-0ubuntu1.20.04)
OpenJDK 64-Bit Server VM (build 11.0.13+8-Ubuntu-0ubuntu1.20.04, mixed mode, sharing)

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