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Main.java
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Main.java
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import java.util.*;
public class RockPaperScissor {
public static void main(String[] args) {
Scanner scn = new Scanner(System.in);
while(true) {
//1. RANDOMIZED COMPUTER MOVE
// array of string containing available moves.
String [] availableMoves = {"Rock", "Paper", "Scissors"};
// using Random() function on indices of array so that it chooses a random move.
String computerMove = availableMoves[new Random().nextInt(availableMoves.length)];
System.out.println("Computer has chosen it's move.");
System.out.println();
System.out.println("Now it's your turn to choose. Good Luck!");
System.out.println();
//2. PLAYER MOVE
//input
String userMove;
// loop until the user chooses the correct move
while(true) {
System.out.println("Please choose your move from these available moves : 'Rock' 'Paper' 'Scissors' ");
System.out.println("Enter the move you chose : ");
userMove = scn.nextLine();
// checking if user's move is one of the available moves or not
if(userMove.equals("Rock") || userMove.equals("Paper") || userMove.equals("Scissors")){
System.out.println();
break;
}
// if user didn't enter a valid input
System.out.println();
System.out.println("Invalid Move!!");
System.out.println("Please enter the move from the available moves only!");
System.out.println();
}
//printing what computer chose
System.out.println("Computer chose : " + computerMove);
//3. COMPARING THE MOVES & DECIDING THE WINNER
// checking for a tie
if(userMove.equals(computerMove)) {
System.out.println("Its a tie!");
}
//checking for all other moves possible
else if(userMove.equals("Rock")) {
if(computerMove.equals("Paper")) {
System.out.println("Computer won!");
System.out.println("Better luck next time!");
}
else if(computerMove.equals("Scissors")) {
System.out.println("You won!");
System.out.println("Congratulations!");
}
}
else if(userMove.equals("Paper")) {
if(computerMove.equals("Rock")) {
System.out.println("You won!");
System.out.println("Congratulations!");
}
else if(computerMove.equals("Scissors")) {
System.out.println("Computer won!");
System.out.println("Better luck next time!");
}
}
else if(userMove.equals("Scissors")) {
if(computerMove.equals("Paper")) {
System.out.println("You won!");
System.out.println("Congratulations!");
}
else if(computerMove.equals("Rock")) {
System.out.println("Computer won!");
System.out.println("Better luck next time!");
}
}
System.out.println();
String playAgain;
System.out.println("Do you want to play again? ");
// loop until the user chooses the correct option
while(true) {
System.out.println("Type 'yes' or 'no' ");
playAgain = scn.nextLine();
if(playAgain.equals("yes") || playAgain.equals("Yes") || playAgain.equals("no") || playAgain.equals("No")) {
System.out.println();
System.out.println("*****************************************************************************");
System.out.println();
break;
}
System.out.println();
System.out.println("Invalid Input");
System.out.println();
}
if(playAgain.equals("no") || playAgain.equals("No")) {
break;
}
}
}
}