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在最後6條if語句中出現錯誤「局部變量操作可能未初始化」。我不知道我想要什麼。請幫忙! :(我已經嘗試了日食建議的修復,並試圖修復它在我自己並沒有什麼作品...局部變量動作可能未被初始化?
import java.util.Scanner;
import static java.lang.System.out;
public class test2 {
enum dog {sleeping, eating, peeing, pooping, dead, robot}
public static void main(String args[]) {
Scanner myScanner = new Scanner(System.in);
dog action;
int heartrate;
out.println("What is the heart rate of your dog? I will be able to tell you what the dog is doing from that information.");
heartrate = myScanner.nextInt();
if (heartrate >= 60 || heartrate <= 120) {
action = dog.sleeping;
}else if (heartrate == 0) {
action = dog.dead;
}else if (heartrate > 500) {
action = dog.robot;
}else if (heartrate >= 150 || heartrate <= 200) {
action = dog.peeing;
}else if (heartrate >= 150 || heartrate <= 200) {
action = dog.pooping;
}else if (heartrate >= 150 || heartrate <= 200) {
action = dog.eating;
}
out.print("Your dog is currently ");
if (action == dog.sleeping) {
out.print("sleeping ");
}
if (action == dog.dead) {
out.print("dead ");
}
if (action == dog.robot) {
out.print("a robot.");
}
if (action == dog.peeing) {
out.print("peeing ");
}
if (action == dog.pooping) {
out.print("pooping ");
}
if (action == dog.eating) {
out.print("eating ");
}
System.out.println(".");
}
}
它希望*確保*行動已初始化,你沒有。 –
**閱讀錯誤信息。**您需要確保您的代碼爲'action'指定了一個值。 –
'if(heartrate> = 60 || heartrate <= 120)'意味着一隻沉睡的狗可能有負面的心率......也許你想'&&'在'x和y'之間而不是'||' – A4L