Write-Output "=== java ==="
Get-Command java -ErrorAction SilentlyContinue | Format-List
java -version 2>&1
Write-Output "=== java homes ==="
@(
  'C:\Program Files\Java',
  'C:\Program Files\Eclipse Adoptium',
  'C:\Program Files\Microsoft',
  'C:\Program Files\Amazon Corretto',
  'C:\yutongda\tools'
) | ForEach-Object {
  if (Test-Path $_) {
    Write-Output "DIR $_"
    Get-ChildItem $_ -ErrorAction SilentlyContinue | Select-Object Name
  }
}
Write-Output "=== tools ==="
Get-Command winget, choco, scoop -ErrorAction SilentlyContinue | Select-Object Name, Source
Write-Output "=== free space E/C ==="
Get-PSDrive C,E -ErrorAction SilentlyContinue | Format-Table Name, @{n='FreeGB';e={[math]::Round($_.Free/1GB,1)}}
Write-Output "DONE"