安装sdkman

// 安装sdkman

curl -s "https://get.sdkman.io" | bash

//成功运行后，屏幕显示下面信息

All done!

Please open a new terminal, or run the following in the existing one:

source "/Users/xxxx/.sdkman/bin/sdkman-init.sh"

Then issue the following command:

sdk help

安装java

// 查看java版本

sdk list java

================================================================================

Available Java Versions

================================================================================

Vendor | Use | Version | Dist | Status | Identifier

--------------------------------------------------------------------------------

AdoptOpenJDK | | 12.0.1.j9 | adpt | | 12.0.1.j9-adpt

| | 12.0.1.hs | adpt | | 12.0.1.hs-adpt

| | 11.0.4.j9 | adpt | | 11.0.4.j9-adpt

| | 11.0.4.hs | adpt | | 11.0.4.hs-adpt

| | 8.0.222.j9 | adpt | | 8.0.222.j9-adpt

| | 8.0.222.hs | adpt | | 8.0.222.hs-adpt

Amazon | | 11.0.4 | amzn | | 11.0.4-amzn

| | 8.0.222 | amzn | | 8.0.222-amzn

| | 8.0.202 | amzn | | 8.0.202-amzn

Azul Zulu | | 12.0.2 | zulu | | 12.0.2-zulu

| | 11.0.4 | zulu | | 11.0.4-zulu

| | 10.0.2 | zulu | | 10.0.2-zulu

| | 9.0.7 | zulu | | 9.0.7-zulu

| | 8.0.222 | zulu | | 8.0.222-zulu

| | 8.0.202 | zulu | | 8.0.202-zulu

| | 7.0.232 | zulu | | 7.0.232-zulu

| | 7.0.181 | zulu | | 7.0.181-zulu

Azul ZuluFX | | 11.0.2 | zulufx | | 11.0.2-zulufx

| | 8.0.202 | zulufx | | 8.0.202-zulufx

BellSoft | | 12.0.2 | librca | | 12.0.2-librca

| | 11.0.4 | librca | | 11.0.4-librca

| | 8.0.222 | librca | | 8.0.222-librca

GraalVM | | 19.1.1 | grl | | 19.1.1-grl

| | 19.0.2 | grl | | 19.0.2-grl

| | 1.0.0 | grl | | 1.0.0-rc-16-grl

Java.net | | 14.ea.6 | open | | 14.ea.6-open

| | 13.ea.30 | open | | 13.ea.30-open

| | 12.0.2 | open | | 12.0.2-open

| | 11.0.2 | open | | 11.0.2-open

| | 10.0.2 | open | | 10.0.2-open

| | 9.0.4 | open | | 9.0.4-open

SAP | | 12.0.2 | sapmchn | | 12.0.2-sapmchn

| | 11.0.4 | sapmchn | | 11.0.4-sapmchn

================================================================================

// 安装java8

sdk install java 8.0.222-zulu

// 安装java11

sdk install java 11.0.4-zulu

切换java版本

// 使用指定版本

sdk use java 8.0.222-zulu

// 设置默认版本

sdk default java 11.0.4-zulu