Java Equivalent code

Can some one convert this particular kotlin code to Java
val parent = viewFinder.parent as ViewGroup    parent.removeView(viewFinder)    parent.addView(viewFinder, 0)    viewFinder.surfaceTexture = it.surfaceTexture    updateTransform()
Or maybe explain me what this code is doing.Thanks in advance

And This piece of code also Please
val imageCapture = ImageCapture(imageCaptureConfig)        capture_button.setOnClickListener {            val file = File(                externalMediaDirs.first(),                "${System.currentTimeMillis()}.jpg"            )            imageCapture.takePicture(file,                object : ImageCapture.OnImageSavedListener {                    override fun onError(                        error: ImageCapture.UseCaseError,                        message: String, exc: Throwable?                    ) {                        val msg = "Photo capture failed: $message"                        Toast.makeText(baseContext, msg, Toast.LENGTH_SHORT).show()                        Log.e("CameraX Sample App", msg)                        exc?.printStackTrace()                    }                    override fun onImageSaved(file: File) {                        val msg = "Photo capture succeeded: ${file.absolutePath}"                        Toast.makeText(baseContext, msg, Toast.LENGTH_SHORT).show()                        Log.d("CameraX Sample App", msg)                    }                })        }

I advise to learn Kotlin. It is the future of Android prpgramming.