Run Cmd Commands Through Java?

I would like my application to execute a command in cmd. The command looks like

start "" /D "C:Riot GamesLeague of LegendsRADSsolutionslol_game_client_sln
elease s.0.1.55deploy"
"League of Legends.exe" "8394" "LoLLauncher.exe" ""
"spectator 95.172.65.26:8088 P3hNrXYZlaM3iJ9ximtzJWHbwLhvbimJ 953089676 EUN1"

So my question is how do I do this?

I tried this, (just copy paste the command):

package MyProject;
 import java.io.IOException;
import java.io.InputStream;
 public class Cmd {
 public static void main(String[] args) {
try {
final Process process = Runtime.getRuntime().exec("start "" /D "C:Riot GamesLeague of

[code]....