我为猫与狗性格测验设置了代码，但 if 代码一直是多余的。
import java.util.Scanner;
public class xxxxBranchingInteractions {
public static void main(String[] args) {
Scanner s = new Scanner(System.in);
// Welcome message
System.out.println("Welcome to Dog or Cat");
//Introduction of point system for dog and cat quiz
int dog = 0;
int cat = 0;
// #1 //Prompt user to print name
System.out.println("What's your name?");
//Allows user input
String input = s.nextLine();
//#2 //Prompt user to answer dog or cat
System.out.println("Are you a dog or cat person?");
//Allow input
String answerTwo = "";
answerTwo = s.nextLine();
//boolean variable
boolean continueInteraction = true;
//while loop
while (continueInteraction) {
//#3
//Introduction of major if loop
//If user inputs dog
if (answerTwo.equalsIgnoreCase("Dog")) {
System.out.println("Are you extroverted?");
input = s.nextLine();
//If user answers yes to being extroverted
if (input.equalsIgnoreCase("Yes")) {
dog++;
System.out.println("So you enjoy being with others?");
input = s.nextLine();
//If user inputs yes to enjoying being with others
if (input.equalsIgnoreCase("Yes")) {
dog++;
System.out.println("Cool.");
//If user inputs no to enjoying being with others
} else if (input.equalsIgnoreCase("No")) {
cat++;
System.out.println("That's okay.");
}
//If user answers no to being extroverted
} else if (input.equalsIgnoreCase("No")) {
cat++;
System.out.println("But do you like being outside?");
input = s.nextLine();
//If user answers yes to enjoying outdoors
if (input.equalsIgnoreCase("Yes")) {
dog++;
System.out.println("Fun!");
//If user answers no to enjoying outdoors
} else if (input.equalsIgnoreCase("No")) {
cat++;
System.out.println("Me too.");
}
}
// Dog person route convenes to new question
System.out.println("Do you enjoy loud environments?");
input = s.nextLine();
//If user enjoys loud environments
if (input.equalsIgnoreCase("Yes")) {
dog++;
System.out.println("Do you prefer it to be loud with people or music?");
input = s.nextLine();
//If user enjoys people more
if (input.equalsIgnoreCase("People")) {
dog++;
System.out.println("You seem socially active!");
// If user enjoys music more
} else if (input.equalsIgnoreCase("Music")) {
cat++;
System.out.println("You seem chill.");
}
//If user does not enjoy loud environments
} else if (input.equalsIgnoreCase("No")) {
cat++;
System.out.println("Do you find talking tiring?");
input = s.nextLine();
//If user does find talking tiring
if (input.equalsIgnoreCase("Yes")) {
cat++;
System.out.println("You seem chill.");
//If user does not find talking tiring
} else if (input.equalsIgnoreCase("No")) {
dog++;
System.out.println("You seem socially active!");
}
///////// END OF DOG ROUTE
//If user inputs cat
}
} else if (answerTwo.equalsIgnoreCase("Cat")){
cat++;
System.out.println("Are you introverted?");
input = s.nextLine();
//If user is introverted
if (input.equalsIgnoreCase("Yes")) {
cat++;
System.out.println("Do you like being alone?");
input = s.nextLine();
//If user enjoys being alone
if (input.equalsIgnoreCase("Yes")) {
cat++;
System.out.println("Alone time is important!");
//If user does not enjoy being alone
} else if (input.equalsIgnoreCase("No")) {
dog++;
System.out.println("Connection is great!");
}
//If user is not introverted
} else if (input.equalsIgnoreCase("No")) {
dog++;
System.out.println("Do you like being inside?");
input = s.nextLine();
//If user enjoys indoors
if (input.equalsIgnoreCase("Yes")) {
cat++;
System.out.println("Your home must be cozy.");
//If user does not enjoy indoors
} else if (input.equalsIgnoreCase("No")) {
dog++;
System.out.println("Sunlight is good!");
}
//Needs an else statement
System.out.println("Do you enjoy a quiet environment?");
input = s.nextLine();
//If user enjoys quiet
if (input.equalsIgnoreCase("Yes")) {
cat++;
System.out.println("Quiet by using headphones or quiet by leaving a loud space?");
input = s.nextLine();
//If user likes using headphones
if (input.equalsIgnoreCase("Headphones")) {
dog++;
System.out.println("You seem peaceful.");
//If user likes leaving
} else if (input.equalsIgnoreCase("Leaving")) {
cat++;
System.out.println("Oh, you've gone away.");
}
//If user does not enjoy quiet
} else if (input.equalsIgnoreCase("No")) {
dog++;
System.out.println("Do you find silence awkward?");
input = s.nextLine();
//If user does not enjoy silence
if (input.equalsIgnoreCase("Yes")) {
dog++;
System.out.println("Oh, you've gone away.");
//If user enjoys silence
} else if (input.equalsIgnoreCase("No")) {
cat++;
System.out.println("You seem peaceful.");
}
}
}
///////// END OF CAT ROUTE
//If user cannot spell correctly
} else {
System.out.println("Please type dog or cat");
answerTwo = s.nextLine();
}
}
if ((answerTwo.equalsIgnoreCase("Dog")) || (answerTwo.equalsIgnoreCase("Cat"))) {
//Convergence of initial dog and cat branches with last question
System.out.println("Do you prefer the night or day?");
input = s.nextLine();
//If user prefers the night
if (input.equalsIgnoreCase("Night")) {
cat++;
//If user prefers the day
} else if (input.equalsIgnoreCase("Day")) {
dog++;
}
//Beginning of the end
System.out.println("Hope you have a good one!");
//Ending and results
//if cat > dog
// Haven't gotten to this part because I test ran it and it started acting up
}
}
}
我知道它有点长，所以我有点希望这个错误能够让那些更熟悉 Java 的人感到不舒服。
我想让代码继续下去，但它却不断循环回到之前的问题。
你的代码是如此兰格，你只使用 if 和 else if ，为什么你不使用 else ？并且您没有结束代码或中断，答案会让您回来。你必须尝试使用 else 并在方法中编写你的代码，并尝试在第 92 行 ypu habe if 中进行中断，也进行 else ，并在 124 statert cat 中，ansd 在该方法中使用 else 。你的代码已交叉。