rock paper scissors.java

from random import *

choices = {"rock", "paper", "scissors"}

userChoice = input("Enter rock, paper or scissors: ")

if userChoice != "rock" and userChoice != "paper" and userChoice != "scissors":
    print("Invalid choices! Please enter rock, paper or scissors.")

else:
    computerIndex = randint(0, 2)
    computerChoice = choices[computerIndex]

    print("Computer chose: " + computerChoice)

if userChoice is (computerChoice):
    print("It`s a tie!")

elif userChoice is "rock" and computerChoice is "scissors" or