Fixs of code review

Remove the conversion to integer from the java_version
Remove java 8 and set java 11 to default

Author: netodevel

independent-projects/tools/devtools-common/src/main/java/io/quarkus/devtools/project/codegen/CreateProjectHelper.java

@@ -20,8 +20,8 @@
 
 public class CreateProjectHelper {
 
-    private static final List<Integer> JAVA_VERSIONS_LTS = List.of(8, 11, 17);
-    private static final int DEFAULT_JAVA_VERSION = 11;
+    private static final List<String> JAVA_VERSIONS_LTS = List.of("11", "17");
+    private static final String DEFAULT_JAVA_VERSION = "11";
     private static final Pattern JAVA_VERSION_PATTERN = Pattern.compile("(?:1\\.)?(\\d+)(?:\\..*)?");
 
     public static final String DEFAULT_GROUP_ID = "org.acme";
@@ -84,14 +84,13 @@ public static void setJavaVersion(Map<String, Object> values, String javaTarget)
                 .matcher(javaTarget != null ? javaTarget : System.getProperty("java.version", ""));
 
         if (matcher.matches()) {
-            int versionExtracted = Integer.parseInt(matcher.group(1));
-            int version = JAVA_VERSIONS_LTS.stream()
+            String versionExtracted = matcher.group(1);
+            String version = JAVA_VERSIONS_LTS.stream()
                     .filter(e -> e.equals(versionExtracted))
                     .findFirst().orElse(DEFAULT_JAVA_VERSION);
-
-            values.put(ProjectGenerator.JAVA_TARGET, String.valueOf(version));
+            values.put(ProjectGenerator.JAVA_TARGET, version);
         } else {
-            values.put(ProjectGenerator.JAVA_TARGET, String.valueOf(DEFAULT_JAVA_VERSION));
+            values.put(ProjectGenerator.JAVA_TARGET, DEFAULT_JAVA_VERSION);
         }
     }