class user {
    [string]$vorname
    [string]$nachname
    [string]$email
    [string]$password

    [void]setName([string]$vorname, [string]$nachname) {
        $this.vorname = $vorname
        $this.nachname = $nachname
        $this.email = $vorname + "." + $nachname + "@irgendwas.de"
    }

    [void]readName() {
        $vn = Read-Host "Vorname"
        $nn = Read-Host "Nachname"
        $this.setName($vn, $nn)
    }

    [void]printInfo() {
        Write-Host $this.vorname
        Write-Host $this.nachname
        Write-Host $this.email
        Write-Host $this.password
    }
}

$user = [user]::new()

$user.readName()
$user.printInfo()