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BAEL-5379-create-simple-rock-paper-scissors-game (#11855)

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* BAEL-5379-create-simple-rock-paper-scissors-game

* BAEL-5379-create-simple-rock-paper-scissors-game

* BAEL-5379-create-simple-rock-paper-scissors-game

Co-authored-by: tienvn4 <tienvn4@ghtk.co>
This commit is contained in:
vunamtien 2022-02-25 04:15:22 +07:00 committed by GitHub
parent 6ca42b7a4e
commit 1d80576a7c
1 changed files with 21 additions and 14 deletions
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35
core-java-modules/core-java-8-2/src/main/java/com/baeldung/game/RockPaperScissorsGame.java
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@ -1,17 +1,24 @@
package com.baeldung.game; package com.baeldung.game;
import java.util.HashMap; import java.util.*;
import java.util.Map;
import java.util.Random;
import java.util.Scanner;
class RockPaperScissorsGame { class RockPaperScissorsGame {
private static Map<Integer, String> movesMap = new HashMap<Integer, String>() {{ enum Move {
put(0, "rock"); ROCK("rock"),
put(1, "paper"); PAPER("paper"),
put(2, "scissors"); SCISSORS("scissors");
}};
private String value;
Move(String value) {
this.value = value;
}
public String getValue() {
return value;
}
}
public static void main(String[] args) { public static void main(String[] args) {
Scanner scanner = new Scanner(System.in); Scanner scanner = new Scanner(System.in);
@ -31,7 +38,7 @@ class RockPaperScissorsGame {
break; break;
} }
if (!movesMap.containsValue(playerMove)) { if (Arrays.stream(Move.values()).noneMatch(x -> x.getValue().equals(playerMove))) {
System.out.println("Your move isn't valid!"); System.out.println("Your move isn't valid!");
continue; continue;
} }
@ -51,15 +58,15 @@ class RockPaperScissorsGame {
} }
private static boolean isPlayerWin(String playerMove, String computerMove) { private static boolean isPlayerWin(String playerMove, String computerMove) {
return playerMove.equals("rock") && computerMove.equals("scissors") return playerMove.equals(Move.ROCK.value) && computerMove.equals(Move.SCISSORS.value)
|| (playerMove.equals("scissors") && computerMove.equals("paper")) || (playerMove.equals(Move.SCISSORS.value) && computerMove.equals(Move.PAPER.value))
|| (playerMove.equals("paper") && computerMove.equals("rock")); || (playerMove.equals(Move.PAPER.value) && computerMove.equals(Move.ROCK.value));
} }
private static String getComputerMove() { private static String getComputerMove() {
Random random = new Random(); Random random = new Random();
int randomNumber = random.nextInt(3); int randomNumber = random.nextInt(3);
String computerMove = movesMap.get(randomNumber); String computerMove = Move.values()[randomNumber].getValue();
System.out.println("Computer move: " + computerMove); System.out.println("Computer move: " + computerMove);
return computerMove; return computerMove;
} }