Update java.html

Author: Dinakar2329

java.html

@@ -5,6 +5,7 @@
     <meta http-equiv="X-UA-Compatible" content="IE=edge" />
     <meta name="viewport" content="width=device-width, initial-scale=1.0" />
     <title>CodingNation</title>
+	  <link rel="icon" href="./icons8-code-100.png" id="icon" >
      <link
       rel="stylesheet"
       href="https://cdn.jsdelivr.net/npm/prismjs@1.22.0/themes/prism.min.css"