Added HelloWorldStyle

Author: AngelI4

HelloWorldStyle.java

@@ -0,0 +1,31 @@
+/**
+ *  HelloWorld program implements an application that 
+ * simply displays "Hello World!" to the standard output.
+ * 
+ * @author Angel
+ * @version 1.0
+ * @since 2025-09-09 
+ */
+public final class HelloWorldStyle {
+
+    /**
+     * This is a private constructor used to satisfy the
+     * style checker
+     * 
+     * @exception IllegalStateException Utility class
+     * @se
+     * e IllegalStateException
+     */
+    private HelloWorldStyle() {
+        throw new IllegalStateException("Utility class");
+    }
+
+    /**
+     * This is the main method
+     * 
+     * @param args Unused
+     */
+    public static void main(String[] args) {
+        System.out.println("HelloWorld! with style");
+    }
+}

package-info.java

@@ -0,0 +1,7 @@
+/**
+ * This is the package-info for 
+ * HelloWorldStyle.java.
+ * @author Angel
+ * @version 1.0
+ * @since 2025-09-09
+ */

run_linter.sh

@@ -0,0 +1,4 @@
+#!/usr/bin/env bash
+
+java -jar ./linter/checkstyle.app -c ./linter/sun_checks.xml *.java
+