diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..4f27a85
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,8 @@
+### Example user template template
+### Example user template
+
+# IntelliJ project files
+.idea
+*.iml
+out
+gen
diff --git a/.idea/.gitignore b/.idea/.gitignore
new file mode 100644
index 0000000..7bc07ec
--- /dev/null
+++ b/.idea/.gitignore
@@ -0,0 +1,10 @@
+# Default ignored files
+/shelf/
+/workspace.xml
+# Editor-based HTTP Client requests
+/httpRequests/
+# Environment-dependent path to Maven home directory
+/mavenHomeManager.xml
+# Datasource local storage ignored files
+/dataSources/
+/dataSources.local.xml
diff --git a/ejercicio1/AverageCalculator.java b/ejercicio1/AverageCalculator.java
new file mode 100644
index 0000000..b6d9b78
--- /dev/null
+++ b/ejercicio1/AverageCalculator.java
@@ -0,0 +1,19 @@
+package ejercicio1;
+
+import java.util.Scanner;
+
+public class AverageCalculator {
+    public static void main(String[] args) {
+        Scanner sc = new Scanner(System.in);
+        System.out.println("Introduzca la cantidad de números que desea promediar.");
+        int userNumber=sc.nextInt();
+        double suma=0;
+        for (int i = 0; i <userNumber ; i++) {
+            System.out.println("Introduce el numero "+(i+1));
+            suma+=sc.nextInt();
+        }
+        double average=suma/userNumber;
+        System.out.println("El promedio es :"+average);
+    }
+
+}
diff --git a/ejercicio2/MultiplicationTable.java b/ejercicio2/MultiplicationTable.java
new file mode 100644
index 0000000..7a06194
--- /dev/null
+++ b/ejercicio2/MultiplicationTable.java
@@ -0,0 +1,14 @@
+package ejercicio2;
+
+import java.util.Scanner;
+
+public class MultiplicationTable {
+    public static void main(String[] args) {
+        Scanner sc = new Scanner(System.in);
+        System.out.println("Introduce un numero");
+        int numberUser=sc.nextInt();
+        for (int i = 1; i <= 10; i++) {
+            System.out.println(numberUser +" * "+ i+" "+"= "+numberUser*(i) );
+        }
+    }
+}
diff --git a/ejercicio3/VowelCounter.java b/ejercicio3/VowelCounter.java
new file mode 100644
index 0000000..fcd5137
--- /dev/null
+++ b/ejercicio3/VowelCounter.java
@@ -0,0 +1,20 @@
+package ejercicio3;
+
+import java.util.Scanner;
+
+public class VowelCounter {
+    public static void main(String[] args) {
+        Scanner sc = new Scanner(System.in);
+        System.out.println("Introduce una frase");
+        String frase=sc.nextLine();
+        System.out.println(frase);
+        int numberChar=0;
+        for (int i = 0; i < frase.length(); i++) {
+            char c = frase.charAt(i);
+            if ("aeiouAEIOU".indexOf(c) != -1) {
+                numberChar++;
+            }
+        }
+        System.out.println("numero de veces :"+numberChar);
+    }
+}
diff --git a/ejercicio4/FileWriterExample.java b/ejercicio4/FileWriterExample.java
new file mode 100644
index 0000000..7af4e93
--- /dev/null
+++ b/ejercicio4/FileWriterExample.java
@@ -0,0 +1,31 @@
+package ejercicio4;
+
+import java.io.FileWriter;
+import java.io.IOException;
+import java.util.Scanner;
+
+public class FileWriterExample {
+    public static void main(String[] args) {
+        Scanner sc = new Scanner(System.in);
+        try {
+            System.out.print("Introduce el nombre del archivo : ");
+            String fileName = sc.nextLine();
+            FileWriter writer = new FileWriter(fileName);
+            System.out.println("Introduce líneas de texto (línea vacía para terminar):");
+            while (true) {
+                String line = sc.nextLine();
+                if (line.isEmpty()) {
+                    break;
+                }
+                writer.write(line + "\n");
+            }
+            writer.close();
+            System.out.println("Guardado correctamente en el archivo: " + fileName);
+        } catch (IOException e) {
+            throw new RuntimeException(e);
+        }finally {
+            sc.close();
+        }
+    }
+
+}
diff --git a/ejercicio5/NumberGuessingGame.java b/ejercicio5/NumberGuessingGame.java
new file mode 100644
index 0000000..c2c6241
--- /dev/null
+++ b/ejercicio5/NumberGuessingGame.java
@@ -0,0 +1,42 @@
+package ejercicio5;
+
+import java.util.Random;
+import java.util.Scanner;
+
+public class NumberGuessingGame {
+    public static void main(String[] args) {
+        Scanner sc = new Scanner(System.in);
+        Random random = new Random();
+        int secretNumber = random.nextInt(100) + 1;
+        int numero = 0;
+        int intentos = 0;
+
+        while (numero != secretNumber) {
+            System.out.print("Introduce tu numero: ");
+            if (sc.hasNextInt()) {
+                numero = sc.nextInt();
+                intentos++;
+
+                if (numero < secretNumber) {
+                    System.out.println("El número es mayor.");
+                } else if (numero > secretNumber) {
+                    System.out.println("El número es menor.");
+                } else {
+                    System.out.println("¡Felicidades! Has adivinado el número.");
+                    System.out.println("Número de intentos: " + intentos);
+                }
+            } else {
+                System.out.println("Por favor, introduce un número válido.");
+                sc.next();
+            }
+        }
+
+        sc.close();
+    }
+
+
+
+
+
+
+}