我寫的代碼是一個隨機的coinflipper,將有一個人輸入他們的猜測。我無法觸及主體中的任何東西,因爲這是作業的方向。 coin=flip();
但我不能改變主任何東西:雖然當我嘗試運行它硬幣翻轉需要錯誤幫助
Error:(15, 34) java: incompatible types: void cannot be converted to java.lang.String
錯誤是發生在主在這條線我得到這個錯誤。請幫助這是今晚!這裏是我的代碼:
public class CoinFlip {
static String side = "";
static String user = "";
static String winner = "";
public static void main(String args[]) {
String coin;
greeting();
do
{
user=IO.getString("Would you like: (H)- Heads or (T)- Tails");
coin=flip();
winner=compare(user,coin);
output(user,coin,winner);
}while(repeat());
}
public static void greeting() {
System.out.println("In a second, choose heads or tails. A coin flip will show and a winner will be shown.");
}
public static void flip() {
int random = (int) Math.floor(Math.random() * 2);
if (random = 0)
side = "H";
else if (random = 1)
side = "T";
}
public static void compare(String args[]) {
if (user = side)
winner = "Winner";
else
winner = "Loser";
}
public static void output() {
System.out.println(side);
System.out.println(winner);
}
public static void repeat() {
String again;
if (again = "yes")
main();
else if (again = "no")
System.out.println("Thanks for playing!");
}
}
'void flip()'不返回任何東西,但是當你說'coin = flip();'時,你試圖把結果賦給'coin'。你需要使'flip()'返回一個'String',或者說'flip();硬幣=邊;'。 –
你應該把''「H」或''T「'''返回,但這對於void類型的方法是不可能的。改變''void flip()''''String flip()''。 – f1sh