public static StringguessColor(Scanner keyboard)这行是我的错误所在。错误如下： 表达式的非法开始：在公共和静态。错误： ';' 预期：在 String 和guessColor 之间。错误 ';' 预期：在扫描仪和键盘之间。该行中表达式的非法开头： at )。
public class RichardsonESPGame
{
public static void main(String[] args)
{
String random;
String guess;
Scanner keyboard = new Scanner(System.in);
random = computerColor();
guess = guessColor(keyboard);
String end = recordGame(random, guess);
System.out.println(end);
keyboard.close();
}
/**
In this method the color choices will be displayed.
*/
public static String computerColor()
{
Random rand = new Random();
int color = rand.nextInt(5) + 1;
return receiveColor(color);
}
/**
This method will give the computer and user its color options.
*/
public static String receiveColor(int color)
{
String selection;
switch (color)
{
case 1:
selection = "Red";
break;
case 2:
selection = "Blue";
break;
case 3:
selection = "Green";
break;
case 4:
selection = "Yellow";
break;
case 5:
selection = "Orange";
break;
default:
System.out.println("Make a valid selection.");
selection = null;
}
return selection;
/**
This method will get the user's color choice.
*/
public static String guessColor(Scanner keyboard)
{
System.out.println("Enter a number from 1 to 5 to receive a color.\n 1 is Red\n 2 is Blue\n 3 is Green\n 4 is Yellow\n 5 is Orange\n");
int richardsonGuessColor = keyboard.nextInt();
String color = receiveColor(richardsonGuessColor);
while (color == null)
{
System.out.println("Enter a number from 1 to 5 to receive a color.\n 1 is Red\n 2 is Blue\n 3 is Green\n 4 is Yellow\n 5 is Orange\n");
int guess = keyboard.nextInt();
color = receiveColor(richardsonGuessColor);
}
return color;
}
/**
This method will determine if user guesses correctly.
*/
public static String recordGame(String richardsonComputerColor, String richardsonGuessColor)
{
String end;
end = "The computer's choice was: " + richardsonComputerColor;
end += "Your choice was: " + richardsonGuessColor;
if(richardsonGuessColor.equalsIgnoreCase("Red"))
{
if (richardsonComputerColor.equalsIgnoreCase("Red"))
{
end += "You guessed correctly!";
}
else
{
result += "You guessed incorrectly.";
}
}
else if(richardsonGuessColor.equalsIgnoreCase("Blue"))
{
if (richardsonComputerColor.equalsIgnoreCase("Blue"))
{
end += "You guessed correctly!";
}
else
{
result += "You guessed incorrectly.";
}
}
else if(richardsonGuessColor.equalsIgnoreCase("Green"))
{
if (richardsonComputerColor.equalsIgnoreCase("Green"))
{
end += "You guessed correctly!";
}
else
{
result += "You guessed incorrectly.";
}
}
else if(richardsonGuessColor.equalsIgnoreCase("Yellow"))
{
if (richardsonComputerColor.equalsIgnoreCase("Yellow"))
{
end += "You guessed correctly!";
}
else
{
result += "You guessed incorrectly.";
}
}
else if(richardsonGuessColor.equalsIgnoreCase("Orange"))
{
if (richardsonComputerColor.equalsIgnoreCase("Orange"))
{
end += "You guessed correctly!";
}
else
{
result += "You guessed incorrectly.";
}
}
return end;
}
}