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Change Java Home via PowerShell, Scoop and OpenJDK
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# You need to add %JAVA_HOME%bin to the beginning of your Path variable | |
$version = $args[0].trim() | |
$helpText = "To change to the latest OpenJDK version enter 'latest', otherwise enter the version you want to use." + [Environment]::NewLine + "Usage: Change-Java-JDK (latest|\d|-{0,2}help)" | |
if ($version -eq "latest") { | |
$version = "" | |
} elseif ($version -match "^\s*-{0,2}help\s*$") { | |
Write-Host $helpText | |
return | |
} elseif (!($version -match "^\d+$")) { | |
Write-Error "Invalid arguments. $helpText" | |
} | |
$newJavaPath = "$home\scoop\apps\openjdk$version\current\" | |
if (!(Test-Path $newJavaPath)) { | |
Write-Error "Given Java JDK version ($version) is not installed. No such directory '$newJavaPath'" | |
} else { | |
if ($version) { | |
Write-Host "Changing Java JDK version to $version." | |
} else { | |
Write-Host "Changing Java JDK version to latest." | |
} | |
[Environment]::setEnvironmentVariable("JAVA_HOME", $newJavaPath, "User") | |
} |
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