Create a Flash Card class. Flash Cards have a Question and an Answer, each of which are Strings. Your class should include a constructor, toString() and equals() methods. Write a main() method that creates an array of three Flash Cards, and prints each of them.

FlashCard.java

public class FlashCard {    String Question;    String Answer;    public FlashCard(String q, String a){        this.Question = q;        this.Answer = a;    }    public String toString(){        String output = "";        output += "Question: " + this.Question + "\n";        output += " " + this.Answer;        return output;    }    public boolean equals(String response){        if(this.Answer.equals(response)){            return true;        }        else{            return false;        }    } }

Main.java

public class Main {    public static void main(String[] args) {        FlashCard card1 = new FlashCard("What is highest mountain?", "Everest");        FlashCard card2 = new FlashCard("What is natural satelite of earth?", "Moon");        FlashCard card3 = new FlashCard("Who is the first president of US?", "George Washington");        FlashCard cards [] = {card1, card2, card3};        for(int i=0; i < cards.length; i++){            System.out.println(cards[i]);        }    } }

Explanation:

In FlashCard.java, we create a FlashCard class with two instance variable, Question and Answer (Line 2 - 3). There is a constructor that takes two input strings to initialize the Question and Answer instance variables (Line 5-8). There is also a toString method that will return the predefined output string of question answer (Line 10 - 15). And also another equals method that will take an input string and check against with the Answer using string equals method. If matched, return True (Line 17 -24).

In Main.java, create three FlashCard object (Line 3-5) and then put them into an array (Line 6). Use a for loop to print the object (Line 8-10). The sample output is as follows:

Question: What is highest mountain?

Everest

Question: What is natural satelite of earth?

Moon

Question: Who is the first president of US?

George Washington

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