-4
학교 과제를위한 프로그램을 작성하여 3 개의 수수께끼로 된 문자열 배열 하나와 각 수수께끼에 대한 3 개의 문자열 배열을 만듭니다. 그러나 수수께끼에 대한 정답을 입력하면 if-else 문에서 else 부분을 계속 표시합니다.문자열을 평가할 때 Else-if 문이 제대로 작동하지 않습니다.
import java.util.Scanner;
import java.util.Random;
public class riddleProgram {
public static void main (String[]args) {
Scanner input = new Scanner(System.in);
Random rand = new Random();
int index;
int chosenRiddles = rand.nextInt(2);
//declares the riddles in the program as well as choosing a random riddle from the three presented
String[]riddle = new String[3];
riddle[0] = "What starts with a T, ends with a T, and has T in it?";
riddle[1] = "The day before two days after the day before tommorrow is Saturday. What day is it today?";
riddle[2] = "What grows up while growing down?";
//declares the answers to the riddles
String[]answer = new String[3];
answer[0] = ("teapot");
answer[1] = ("friday");
answer[2] = ("goose");
//asks user to enter guessed answer for the randomly presented riddle
for (index=0; index<3; index++); {
System.out.println(riddle[chosenRiddles]);
System.out.print("Enter your answer for the presented riddle (lowercase): ");
String inputtedAnswer = input.nextLine();
//if user inputs right answer, congratulates user
//if user inputs incorrect answer, tells user the correct answer
if (inputtedAnswer == answer[chosenRiddles]) {
System.out.println("Congratulations, you have gotten the right answer!"); }
else {
System.out.println("Sorry you had the wrong answer. The right answer is " + answer[chosenRiddles] + ".");}
}
}
}