SONARJAVA-6100 : rule S8450 - Fix IO path : java.io.IO -> java.lang.IO (#5497)

Author: rombirli

sonar-java-plugin/src/main/resources/org/sonar/l10n/java/rules/java/S8450.html

@@ -1,5 +1,5 @@
-<p>The <code>java.io.IO</code> class provides simple methods for interactive console I/O. For standard console input, <code>IO.readln()</code> should
-be preferred over the traditional, more verbose <code>BufferedReader</code>.</p>
+<p>The <code>java.lang.IO</code> class provides simple methods for interactive console I/O. For standard console input, <code>IO.readln()</code>
+should be preferred over the traditional, more verbose <code>BufferedReader</code>.</p>
 <h2>Why is this an issue?</h2>
 <p>Traditionally, reading a line from the console required significant boilerplate code, involving <code>InputStreamReader</code>,
 <code>BufferedReader</code>, and explicit <code>IOException</code> handling. This pattern is not only verbose but also error-prone and harder to
@@ -13,8 +13,8 @@ <h2>Why is this an issue?</h2>
 </ul>
 <h2>How to fix it</h2>
 <p>Replace manual stream wrapping of <code>System.in</code> with the static <code>IO.readln()</code> method. If you are using a version of Java where
-<code>IO</code> is automatically imported (such as in JShell or modern entry points), you can call <code>readln()</code> directly; otherwise, use
-<code>import static java.io.IO.readln;</code>.</p>
+<code>IO</code> is automatically imported (such as in JShell or modern entry points), you can call <code>IO.readln()</code> directly; otherwise, use
+<code>import static java.lang.IO.readln;</code>.</p>
 <h3>Code examples</h3>
 <h4>Noncompliant code example</h4>
 <pre data-diff-id="1" data-diff-type="noncompliant">
@@ -35,7 +35,7 @@ <h4>Noncompliant code example</h4>
 </pre>
 <h4>Compliant solution</h4>
 <pre data-diff-id="1" data-diff-type="compliant">
-import static java.io.IO.readln;
+import static java.lang.IO.readln;
 
 void main() {
     // Compliant: concise and readable console input