Question

package rpsgamesimulation;
import java.util.Random;
import java.util.Scanner;

/**
*
* @author cristy
*/
public class RPSGame
{
private String userChoice, computerChoice;
  
public RPSGame()
{
userChoice = "rock";
computerChoice = "rock";
}
  
public String getUserChoice()
{
return userChoice;
}
  
public String getComputerChoice()
{
return computerChoice;
}
  
public void setUserChoice(String aUserChoice)
{
userChoice = aUserChoice;
}
  
public void setComputerChoice(String aComputerChoice)
{
computerChoice = aComputerChoice;
}
  
public String toString()
{
return "User Choice: " + userChoice + " Computer Choice: " + computerChoice;
}
  
public void computerPlay()
{
Random myRan = new Random();
int numComputerChoice = myRan.nextInt(3);
//Write the if-statement that determines that the computer chose:
// Rock - if the random number generated was 0
// Paper - if the random number generated was 1
// Scissors - if the random number generated was 2
  
  
}
  
public void userPlay()
{
Scanner keyboard = new Scanner(System.in);
String strUserChoice;
System.out.println("What is your choice - Rock, Paper, or Scissors ?");
userChoice = keyboard.nextLine();
  
  
}
  
public void determineWinner()
{
//Write the switch statement that evaluated userChoice:
// The case of the user entering "rock"
// Check all the possible computer choices and print out who is the winner
// The case of the user entering "paper"
// Check all the possible computer choices and print out who is the winner
// The case of the user entering "scissors"
// Check all the possible computer choices and print out who is the winner
// The default case, where neither "rock," "paper," or "scissors" were selected by user
// Display an error message.
userChoice = userChoice.toLowerCase();
  
switch(userChoice)