team codecrafters

Java/Question-2.java → Java/CurrencyConverter.java

@@ -21,7 +21,7 @@ public static void main(String[] args) {
             double convertedAmount = usdToEur(amount);
             System.out.println("Amount in EUR: " + convertedAmount);
         } else if (currency.equalsIgnoreCase("EUR")) {
-            double convertedAmount = usdToEur(amount);
+            double convertedAmount = eurToUsd(amount);
             System.out.println("Amount in USD: " + convertedAmount);
         } else {
             System.out.println("Invalid currency.");

Java/Main.java

@@ -4,6 +4,7 @@ public class Main {
 
     // Function to calculate the factorial of a number
     static int factorial(int n) {
+        if(n<=1) return 1;
 	return n * factorial(n - 1);
 
     }

Java/Question-3.java → Java/NumberGuessingGame.java

@@ -11,9 +11,9 @@ public static void guessNumber() {
             System.out.print("Guess the number (between 1 and 100): ");
             int guess = scanner.nextInt();
 
-            if (guess > number) {
+            if (guess < 1) {
                 System.out.println("Too low! Try again.");
-            } else if (guess <= number) {
+            } else if (guess > 100) {
                 System.out.println("Too high! Try again.");
             } else {
                 System.out.println("Congratulations! You guessed the number.");

Java/Question-4.java → Java/PasswordChecker.java

@@ -4,9 +4,19 @@
 import java.util.Scanner;
 
 public class PasswordChecker {
+    static int lc=0,uc=0,sc=0;
     public static boolean checkPassword(String password) {
         if (password.length() >= 8) {
-            return true;
+            for (int i = 0; i < password.length(); i++) {
+                if(password.charAt(i)>='a' && password.charAt(i)<='z') lc++;
+                else if(password.charAt(i)>='A' && password.charAt(i)<='Z') uc++;
+                else if(password.charAt(i)>='0' && password.charAt(i)<='9') ;
+                else if(password.charAt(i)==' ') ;
+                else sc++;
+
+            }
+            if(lc>0 && uc>0 && sc>0) return true;
+            else return false;
         } else {
             return false;
         }
@@ -19,7 +29,7 @@ public static void main(String[] args) {
         if (checkPassword(password)) {
             System.out.println("Password is valid.");
         } else {
-            System.out.println("Password is too short.");
+            System.out.println("Password is invalid.");
         }
     }
 }

Java/Question-1.java → Java/Question.java

@@ -1,9 +1,9 @@
-public class BubbleSort {
+public class Question {
     public static void bubbleSort(int[] arr) {
         int n = arr.length;
-        for (int i = 0; i < n; i++) {
-            for (int j = i; j < n - i - 1; j++) {
-                if (arr[j] < arr[j + 1]) {
+        for (int i = 0; i < n-1; i++) {
+            for (int j = 0; j < n - i - 1; j++) {
+                if (arr[j] > arr[j + 1]) {
                     int temp = arr[j];
                     arr[j] = arr[j + 1];
                     arr[j + 1] = temp;