diff --git "a/Retos/Reto #1 - EL LENGUAJE HACKER [F\303\241cil]/java/julian98789.java" "b/Retos/Reto #1 - EL LENGUAJE HACKER [F\303\241cil]/java/julian98789.java"
new file mode 100644
index 0000000000..f680bf1509
--- /dev/null
+++ "b/Retos/Reto #1 - EL LENGUAJE HACKER [F\303\241cil]/java/julian98789.java"	
@@ -0,0 +1,80 @@
+import java.util.Scanner;
+
+public class lenguajeHaker {
+
+    public static void main(String[] args) {
+        Scanner scanner = new Scanner(System.in);
+        
+        System.out.println("Introduce el texto a traducir a lenguaje hacker (leet):");
+        String input = scanner.nextLine();
+        
+        String textoLeet = traducirALeet(input);
+        System.out.println("Texto en lenguaje hacker: " + textoLeet);
+        
+        scanner.close();
+    }
+
+    public static String traducirALeet(String texto) {
+        String[][] diccionarioLeet = {
+            {"a", "4"},
+            {"b", "8"},
+            {"c", "<"},
+            {"d", "d"},
+            {"e", "3"},
+            {"f", "f"},
+            {"g", "9"},
+            {"h", "#"},
+            {"i", "1"},
+            {"j", "j"},
+            {"k", "k"},
+            {"l", "1"},
+            {"m", "m"},
+            {"n", "n"},
+            {"o", "0"},
+            {"p", "p"},
+            {"q", "q"},
+            {"r", "2"},
+            {"s", "5"},
+            {"t", "7"},
+            {"u", "u"},
+            {"v", "v"},
+            {"w", "w"},
+            {"x", "x"},
+            {"y", "y"},
+            {"z", "2"},
+            {"0", "0"},
+            {"1", "1"},
+            {"2", "2"},
+            {"3", "3"},
+            {"4", "4"},
+            {"5", "5"},
+            {"6", "6"},
+            {"7", "7"},
+            {"8", "8"},
+            {"9", "9"}
+        };
+
+        StringBuilder traducido = new StringBuilder();
+
+        for (char ch : texto.toCharArray()) {
+            String charComoString = String.valueOf(ch).toLowerCase();
+            boolean encontrado = false;
+
+            for (String[] par : diccionarioLeet) {
+                if (par[0].equals(charComoString)) {
+                    traducido.append(par[1]);
+                    encontrado = true;
+                    break;
+                }
+            }
+
+            if (!encontrado) {
+                traducido.append(ch); 
+            }
+        }
+
+        return traducido.toString();
+    }
+    }
+
+