Kazuma

i watched many tutorials on youtube , how to make a hexxit server , but everytime i try to start the launch its say to me : C:\USers\Lukas\Desktop\Hexxit Server>java -Xmx1024M -Xms1024 -jar Hexxit.jar nog ui (now im trying to write in english( iam german)). The COmmand " java" is written wrong or cant be found. C:\Users\Lukas\Desktop\Hexxit Server>pause Press any key to continue. . . I need help pls , i want to play with my brother !