如何在AWS ec2实例上升级到Java SE Development Kit 9.0.1?
试过 [ec2-user@server ~]$ sudo yum install java-1.9.0 Loaded plugins: priorities, update-motd, upgrade-helper No package java-1.9.0 available. Error: Nothing to do 所以检查的包,但它不在那里 [ec2-user@server ~]$ sudo yum list java* Loaded plugins: priorities, update-motd, upgrade-helper Installed Packages java-1.8.0-openjdk.x86_64 1:1.8.0.151-1.b12.35.amzn1 @amzn-updates java-1.8.0-openjdk-devel.x86_64 1:1.8.0.151-1.b12.35.amzn1 @amzn-updates java-1.8.0-openjdk-headless.x86_64 1:1.8.0.151-1.b12.35.amzn1 @amzn-updates javapackages-tools.noarch 0.9.1-1.5.amzn1 installed Available Packages java-1.6.0-openjdk.x86_64 1:1.6.0.41-1.13.13.1.77.amzn1 amzn-main java-1.6.0-openjdk-demo.x86_64 1:1.6.0.41-1.13.13.1.77.amzn1 amzn-main java-1.6.0-openjdk-devel.x86_64 […]