通過上下查看我的代碼後,我無法理解爲什麼javac提出「無法找到符號」。我已經通過Stackoverflow中的一些問題了解到,我知道這與範圍有關,但作爲血腥的初學者,我仍然無法解決這個問題。找不到符號
請幫忙。謝謝
package final1.classes;
import final1.classes.GameManager;
public final class ConnectFour {
private ConnectFour() {
}
private static int playerCount = 0;
/**
* The main method where the number of players is extracted from the
* arguments array
*
* @param args
* String: Here used as the number of players
*/
public static void main(String[] args) {
if (args.length == 0) {
System.out.println("Please insert a number of players as argument");
System.exit(0);
}
try {
setPlayerCount(Integer.parseInt(args[0]));
} catch (IllegalArgumentException ilae) {
System.out.println("Wrong input! The right input is a digit between 0 and 2");
System.exit(0);
}
if (getPlayerCount() < 0 || getPlayerCount() > 2) {
System.out.println("Wrong number of players! You have to put in a digit between 0 and 2");
System.exit(0);
} else {
final1.classes.GameManager game = new final1.classes.GameManager(getPlayerCount());
game.update();
}
}
/**
* Returns the playerCount
* @return the playerCount
*/
public static int getPlayerCount() {
return playerCount;
}
/**
* Sets playerCount to the parameter playerCount
* @param playerCount the playerCount to set
*/
public static void setPlayerCount(int playerCount) {
ConnectFour.playerCount = playerCount;
}
}
堆棧跟蹤:
C:\Users\Dennis\Dropbox\workspaceNero\Abschlussaufgabe1\src\final1\classes>javac
ConnectFour.java
ConnectFour.java:2: error: cannot find symbol
import final1.classes.GameManager;
^
symbol: class GameManager
location: package final1.classes
ConnectFour.java:53: error: cannot find symbol
final1.classes.GameManager game = new final1.classes.GameManager(get
PlayerCount());
^
symbol: class GameManager
location: package final1.classes
ConnectFour.java:53: error: cannot find symbol
final1.classes.GameManager game = new final1.classes.GameManager(get
PlayerCount());
^
symbol: class GameManager
location: package final1.classes
3 errors
遊戲管理的堆棧跟蹤:
C:\Users\Dennis\Dropbox\workspaceNero\Abschlussaufgabe1\src\final1\classes>javac
GameManager.java
GameManager.java:5: error: package final1.algorithm does not exist
import final1.algorithm.AlphaBetaAlgorithm;
^
GameManager.java:6: error: package final1.algorithm does not exist
import final1.algorithm.Game;
^
GameManager.java:7: error: package final1.algorithm does not exist
import final1.algorithm.GameState;
^
GameManager.java:8: error: package final1.algorithm does not exist
import final1.algorithm.Move;
^
GameManager.java:9: error: package final1.algorithm does not exist
import final1.algorithm.Terminal;
^
GameManager.java:17: error: cannot find symbol
public class GameManager implements Game<Move> {
^
symbol: class Game
GameManager.java:17: error: cannot find symbol
public class GameManager implements Game<Move> {
^
symbol: class Move
GameManager.java:21: error: cannot find symbol
private static GameState gameState;
^
symbol: class GameState
location: class GameManager
GameManager.java:39: error: cannot find symbol
private GameField gf;
^
symbol: class GameField
location: class GameManager
GameManager.java:155: error: cannot find symbol
public List<Move> getValidMoves() {
^
symbol: class Move
location: class GameManager
GameManager.java:177: error: cannot find symbol
public void perform(Move move) {
^
symbol: class Move
location: class GameManager
GameManager.java:210: error: cannot find symbol
public Move nextTurn() {
^
symbol: class Move
location: class GameManager
GameManager.java:221: error: cannot find symbol
public GameState getState() {
^
symbol: class GameState
location: class GameManager
GameManager.java:230: error: cannot find symbol
public static GameState getGameState() {
^
symbol: class GameState
location: class GameManager
GameManager.java:240: error: cannot find symbol
public static void setGameState(GameState gameState) {
^
symbol: class GameState
location: class GameManager
GameManager.java:50: error: cannot find symbol
this.gameState = GameState.PLAYING;
^
symbol: variable GameState
location: class GameManager
GameManager.java:51: error: cannot find symbol
gf = new GameField(6, 7);
^
symbol: class GameField
location: class GameManager
GameManager.java:62: error: cannot find symbol
while (gameState == GameState.PLAYING) {
^
symbol: variable GameState
location: class GameManager
GameManager.java:65: error: cannot find symbol
Terminal.prompt("Player " + String.valueOf(player) + ":");
^
symbol: variable Terminal
location: class GameManager
GameManager.java:75: error: cannot find symbol
int column = Integer.parseInt(Terminal.readln());
^
symbol: variable Terminal
location: class GameManager
GameManager.java:78: error: cannot find symbol
Terminal.println("Please insert a number between 0 and 6
");
^
symbol: variable Terminal
location: class GameManager
GameManager.java:81: error: cannot find symbol
this.perform(new ConnectFourMove(column, player));
^
symbol: class ConnectFourMove
location: class GameManager
GameManager.java:86: error: cannot find symbol
Terminal.println("Column" + column
^
symbol: variable Terminal
location: class GameManager
GameManager.java:94: error: cannot find symbol
Terminal.println("Please insert a number between 0 and 6");
^
symbol: variable Terminal
location: class GameManager
GameManager.java:99: error: cannot find symbol
AlphaBetaAlgorithm<Game<Move>, Move> alpha = new AlphaBetaAlgori
thm<Game<Move>, Move>(
^
symbol: class AlphaBetaAlgorithm
location: class GameManager
GameManager.java:99: error: cannot find symbol
AlphaBetaAlgorithm<Game<Move>, Move> alpha = new AlphaBetaAlgori
thm<Game<Move>, Move>(
^
symbol: class Game
location: class GameManager
GameManager.java:99: error: cannot find symbol
AlphaBetaAlgorithm<Game<Move>, Move> alpha = new AlphaBetaAlgori
thm<Game<Move>, Move>(
^
symbol: class Move
location: class GameManager
GameManager.java:99: error: cannot find symbol
AlphaBetaAlgorithm<Game<Move>, Move> alpha = new AlphaBetaAlgori
thm<Game<Move>, Move>(
^
symbol: class Move
location: class GameManager
GameManager.java:99: error: cannot find symbol
AlphaBetaAlgorithm<Game<Move>, Move> alpha = new AlphaBetaAlgori
thm<Game<Move>, Move>(
^
symbol: class AlphaBetaAlgorithm
location: class GameManager
GameManager.java:99: error: cannot find symbol
AlphaBetaAlgorithm<Game<Move>, Move> alpha = new AlphaBetaAlgori
thm<Game<Move>, Move>(
^
symbol: class Game
location: class GameManager
GameManager.java:99: error: cannot find symbol
AlphaBetaAlgorithm<Game<Move>, Move> alpha = new AlphaBetaAlgori
thm<Game<Move>, Move>(
^
symbol: class Move
location: class GameManager
GameManager.java:99: error: cannot find symbol
AlphaBetaAlgorithm<Game<Move>, Move> alpha = new AlphaBetaAlgori
thm<Game<Move>, Move>(
^
symbol: class Move
location: class GameManager
GameManager.java:101: error: cannot find symbol
AlphaBetaAlgorithm<Game<Move>, Move> beta = new AlphaBetaAlgorit
hm<Game<Move>, Move>(
^
symbol: class AlphaBetaAlgorithm
location: class GameManager
GameManager.java:101: error: cannot find symbol
AlphaBetaAlgorithm<Game<Move>, Move> beta = new AlphaBetaAlgorit
hm<Game<Move>, Move>(
^
symbol: class Game
location: class GameManager
GameManager.java:101: error: cannot find symbol
AlphaBetaAlgorithm<Game<Move>, Move> beta = new AlphaBetaAlgorit
hm<Game<Move>, Move>(
^
symbol: class Move
location: class GameManager
GameManager.java:101: error: cannot find symbol
AlphaBetaAlgorithm<Game<Move>, Move> beta = new AlphaBetaAlgorit
hm<Game<Move>, Move>(
^
symbol: class Move
location: class GameManager
GameManager.java:101: error: cannot find symbol
AlphaBetaAlgorithm<Game<Move>, Move> beta = new AlphaBetaAlgorit
hm<Game<Move>, Move>(
^
symbol: class AlphaBetaAlgorithm
location: class GameManager
GameManager.java:101: error: cannot find symbol
AlphaBetaAlgorithm<Game<Move>, Move> beta = new AlphaBetaAlgorit
hm<Game<Move>, Move>(
S.O.
發佈堆棧跟蹤。 –
爲什麼你有一個構造函數,當你的類中的所有東西都是靜態的? – blueygh2
您不需要導入同一包中的類。 –