small tweaks to pry2

.classpath

@@ -13,7 +13,7 @@
 			<attribute name="test" value="true"/>
 		</attributes>
 	</classpathentry>
-	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-11">
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-21">
 		<attributes>
 			<attribute name="maven.pomderived" value="true"/>
 		</attributes>

.settings/org.eclipse.jdt.core.prefs

@@ -1,9 +1,9 @@
 eclipse.preferences.version=1
-org.eclipse.jdt.core.compiler.codegen.targetPlatform=11
-org.eclipse.jdt.core.compiler.compliance=11
+org.eclipse.jdt.core.compiler.codegen.targetPlatform=21
+org.eclipse.jdt.core.compiler.compliance=21
 org.eclipse.jdt.core.compiler.problem.enablePreviewFeatures=disabled
 org.eclipse.jdt.core.compiler.problem.forbiddenReference=warning
 org.eclipse.jdt.core.compiler.problem.reportPreviewFeatures=ignore
 org.eclipse.jdt.core.compiler.processAnnotations=disabled
 org.eclipse.jdt.core.compiler.release=disabled
-org.eclipse.jdt.core.compiler.source=11
+org.eclipse.jdt.core.compiler.source=21

pom.xml

@@ -1,7 +1,7 @@
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
   xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
   <modelVersion>4.0.0</modelVersion>
-  <groupId>com.mycompany.app</groupId>
+  <groupId>com.utp</groupId>
   <artifactId>my-app</artifactId>
   <packaging>jar</packaging>
   <version>1.0-SNAPSHOT</version>
@@ -21,9 +21,9 @@
     </dependency>
   </dependencies>
   <properties>
-    <jdk.version>11</jdk.version>
-    <maven.compiler.source>11</maven.compiler.source>
-    <maven.compiler.target>11</maven.compiler.target>
+    <jdk.version>21</jdk.version>
+    <maven.compiler.source>21</maven.compiler.source>
+    <maven.compiler.target>21</maven.compiler.target>
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
   </properties>
   <build>

src/main/java/com/utp/pry2/app/RepNumericas.java

@@ -25,10 +25,8 @@ void spawn_cli() {
             input = maybe_binario.get().toString();
             System.out.printf("Entrada: %s\n", input);
             System.out.println("Hexadecimal: 0x" + maybe_binario.get().to_hex_string());
-            var decimal = maybe_binario.get().to_int();
-            decimal = maybe_binario.get().to_int();
             System.out.printf("%s => Entero: ", input);
-            Utils.pretty_print_int(decimal);
+            Utils.pretty_print_int(maybe_binario.get().to_decimal());
             System.out.println("\n");
         }
     }
@@ -55,7 +53,7 @@ public static Validation<String, BinaryString> from_str(String input) {
         return Validation.valid(new BinaryString(input));
     }
 
-    public Integer to_int() {
+    public Integer to_decimal() {
         if (cached_int.isPresent()) {
             return cached_int.get();
         }
@@ -64,7 +62,7 @@ public Integer to_int() {
     }
 
     public String to_hex_string() {
-        return Integer.toHexString(to_int());
+        return Integer.toHexString(to_decimal());
     }
 
     @Override