diff --git a/package-lock.json b/package-lock.json
index 07b64a8..1825125 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -8,7 +8,12 @@
       "name": "dev-run",
       "version": "0.1.0",
       "dependencies": {
+        "@codemirror/lang-go": "^6.0.1",
+        "@codemirror/lang-java": "^6.0.2",
         "@codemirror/lang-javascript": "^6.2.4",
+        "@codemirror/lang-json": "^6.0.2",
+        "@codemirror/lang-python": "^6.2.1",
+        "@codemirror/lang-rust": "^6.0.2",
         "@lezer/highlight": "^1.2.3",
         "@radix-ui/react-accordion": "^1.2.11",
         "@radix-ui/react-alert-dialog": "^1.1.14",
@@ -112,6 +117,29 @@
         "@lezer/common": "^1.1.0"
       }
     },
+    "node_modules/@codemirror/lang-go": {
+      "version": "6.0.1",
+      "resolved": "https://registry.npmjs.org/@codemirror/lang-go/-/lang-go-6.0.1.tgz",
+      "integrity": "sha512-7fNvbyNylvqCphW9HD6WFnRpcDjr+KXX/FgqXy5H5ZS0eC5edDljukm/yNgYkwTsgp2busdod50AOTIy6Jikfg==",
+      "license": "MIT",
+      "dependencies": {
+        "@codemirror/autocomplete": "^6.0.0",
+        "@codemirror/language": "^6.6.0",
+        "@codemirror/state": "^6.0.0",
+        "@lezer/common": "^1.0.0",
+        "@lezer/go": "^1.0.0"
+      }
+    },
+    "node_modules/@codemirror/lang-java": {
+      "version": "6.0.2",
+      "resolved": "https://registry.npmjs.org/@codemirror/lang-java/-/lang-java-6.0.2.tgz",
+      "integrity": "sha512-m5Nt1mQ/cznJY7tMfQTJchmrjdjQ71IDs+55d1GAa8DGaB8JXWsVCkVT284C3RTASaY43YknrK2X3hPO/J3MOQ==",
+      "license": "MIT",
+      "dependencies": {
+        "@codemirror/language": "^6.0.0",
+        "@lezer/java": "^1.0.0"
+      }
+    },
     "node_modules/@codemirror/lang-javascript": {
       "version": "6.2.4",
       "resolved": "https://registry.npmjs.org/@codemirror/lang-javascript/-/lang-javascript-6.2.4.tgz",
@@ -127,6 +155,39 @@
         "@lezer/javascript": "^1.0.0"
       }
     },
+    "node_modules/@codemirror/lang-json": {
+      "version": "6.0.2",
+      "resolved": "https://registry.npmjs.org/@codemirror/lang-json/-/lang-json-6.0.2.tgz",
+      "integrity": "sha512-x2OtO+AvwEHrEwR0FyyPtfDUiloG3rnVTSZV1W8UteaLL8/MajQd8DpvUb2YVzC+/T18aSDv0H9mu+xw0EStoQ==",
+      "license": "MIT",
+      "dependencies": {
+        "@codemirror/language": "^6.0.0",
+        "@lezer/json": "^1.0.0"
+      }
+    },
+    "node_modules/@codemirror/lang-python": {
+      "version": "6.2.1",
+      "resolved": "https://registry.npmjs.org/@codemirror/lang-python/-/lang-python-6.2.1.tgz",
+      "integrity": "sha512-IRjC8RUBhn9mGR9ywecNhB51yePWCGgvHfY1lWN/Mrp3cKuHr0isDKia+9HnvhiWNnMpbGhWrkhuWOc09exRyw==",
+      "license": "MIT",
+      "dependencies": {
+        "@codemirror/autocomplete": "^6.3.2",
+        "@codemirror/language": "^6.8.0",
+        "@codemirror/state": "^6.0.0",
+        "@lezer/common": "^1.2.1",
+        "@lezer/python": "^1.1.4"
+      }
+    },
+    "node_modules/@codemirror/lang-rust": {
+      "version": "6.0.2",
+      "resolved": "https://registry.npmjs.org/@codemirror/lang-rust/-/lang-rust-6.0.2.tgz",
+      "integrity": "sha512-EZaGjCUegtiU7kSMvOfEZpaCReowEf3yNidYu7+vfuGTm9ow4mthAparY5hisJqOHmJowVH3Upu+eJlUji6qqA==",
+      "license": "MIT",
+      "dependencies": {
+        "@codemirror/language": "^6.0.0",
+        "@lezer/rust": "^1.0.0"
+      }
+    },
     "node_modules/@codemirror/language": {
       "version": "6.12.1",
       "resolved": "https://registry.npmjs.org/@codemirror/language/-/language-6.12.1.tgz",
@@ -772,6 +833,17 @@
       "integrity": "sha512-PNGcolp9hr4PJdXR4ix7XtixDrClScvtSCYW3rQG106oVMOOI+jFb+0+J3mbeL/53g1Zd6s0kJzaw6Ri68GmAA==",
       "license": "MIT"
     },
+    "node_modules/@lezer/go": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/@lezer/go/-/go-1.0.1.tgz",
+      "integrity": "sha512-xToRsYxwsgJNHTgNdStpcvmbVuKxTapV0dM0wey1geMMRc9aggoVyKgzYp41D2/vVOx+Ii4hmE206kvxIXBVXQ==",
+      "license": "MIT",
+      "dependencies": {
+        "@lezer/common": "^1.2.0",
+        "@lezer/highlight": "^1.0.0",
+        "@lezer/lr": "^1.3.0"
+      }
+    },
     "node_modules/@lezer/highlight": {
       "version": "1.2.3",
       "resolved": "https://registry.npmjs.org/@lezer/highlight/-/highlight-1.2.3.tgz",
@@ -781,6 +853,17 @@
         "@lezer/common": "^1.3.0"
       }
     },
+    "node_modules/@lezer/java": {
+      "version": "1.1.3",
+      "resolved": "https://registry.npmjs.org/@lezer/java/-/java-1.1.3.tgz",
+      "integrity": "sha512-yHquUfujwg6Yu4Fd1GNHCvidIvJwi/1Xu2DaKl/pfWIA2c1oXkVvawH3NyXhCaFx4OdlYBVX5wvz2f7Aoa/4Xw==",
+      "license": "MIT",
+      "dependencies": {
+        "@lezer/common": "^1.2.0",
+        "@lezer/highlight": "^1.0.0",
+        "@lezer/lr": "^1.0.0"
+      }
+    },
     "node_modules/@lezer/javascript": {
       "version": "1.5.4",
       "resolved": "https://registry.npmjs.org/@lezer/javascript/-/javascript-1.5.4.tgz",
@@ -792,6 +875,17 @@
         "@lezer/lr": "^1.3.0"
       }
     },
+    "node_modules/@lezer/json": {
+      "version": "1.0.3",
+      "resolved": "https://registry.npmjs.org/@lezer/json/-/json-1.0.3.tgz",
+      "integrity": "sha512-BP9KzdF9Y35PDpv04r0VeSTKDeox5vVr3efE7eBbx3r4s3oNLfunchejZhjArmeieBH+nVOpgIiBJpEAv8ilqQ==",
+      "license": "MIT",
+      "dependencies": {
+        "@lezer/common": "^1.2.0",
+        "@lezer/highlight": "^1.0.0",
+        "@lezer/lr": "^1.0.0"
+      }
+    },
     "node_modules/@lezer/lr": {
       "version": "1.4.8",
       "resolved": "https://registry.npmjs.org/@lezer/lr/-/lr-1.4.8.tgz",
@@ -801,6 +895,28 @@
         "@lezer/common": "^1.0.0"
       }
     },
+    "node_modules/@lezer/python": {
+      "version": "1.1.18",
+      "resolved": "https://registry.npmjs.org/@lezer/python/-/python-1.1.18.tgz",
+      "integrity": "sha512-31FiUrU7z9+d/ElGQLJFXl+dKOdx0jALlP3KEOsGTex8mvj+SoE1FgItcHWK/axkxCHGUSpqIHt6JAWfWu9Rhg==",
+      "license": "MIT",
+      "dependencies": {
+        "@lezer/common": "^1.2.0",
+        "@lezer/highlight": "^1.0.0",
+        "@lezer/lr": "^1.0.0"
+      }
+    },
+    "node_modules/@lezer/rust": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/@lezer/rust/-/rust-1.0.2.tgz",
+      "integrity": "sha512-Lz5sIPBdF2FUXcWeCu1//ojFAZqzTQNRga0aYv6dYXqJqPfMdCAI0NzajWUd4Xijj1IKJLtjoXRPMvTKWBcqKg==",
+      "license": "MIT",
+      "dependencies": {
+        "@lezer/common": "^1.2.0",
+        "@lezer/highlight": "^1.0.0",
+        "@lezer/lr": "^1.0.0"
+      }
+    },
     "node_modules/@marijn/find-cluster-break": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/@marijn/find-cluster-break/-/find-cluster-break-1.0.2.tgz",
diff --git a/package.json b/package.json
index 20cbe7e..ba2be76 100644
--- a/package.json
+++ b/package.json
@@ -8,7 +8,12 @@
     "start": "next start"
   },
   "dependencies": {
+    "@codemirror/lang-go": "^6.0.1",
+    "@codemirror/lang-java": "^6.0.2",
     "@codemirror/lang-javascript": "^6.2.4",
+    "@codemirror/lang-json": "^6.0.2",
+    "@codemirror/lang-python": "^6.2.1",
+    "@codemirror/lang-rust": "^6.0.2",
     "@lezer/highlight": "^1.2.3",
     "@radix-ui/react-accordion": "^1.2.11",
     "@radix-ui/react-alert-dialog": "^1.1.14",
diff --git a/src/app/run/components/Editor.tsx b/src/app/run/components/Editor.tsx
new file mode 100644
index 0000000..5924d5e
--- /dev/null
+++ b/src/app/run/components/Editor.tsx
@@ -0,0 +1,82 @@
+"use client";
+
+import CodeMirror, { EditorState } from "@uiw/react-codemirror";
+import { devRun } from "./theme/theme";
+import { javascript } from "@codemirror/lang-javascript";
+import { rust } from "@codemirror/lang-rust";
+import { go } from "@codemirror/lang-go";
+import { json } from "@codemirror/lang-json";
+import { python } from "@codemirror/lang-python";
+import { java } from "@codemirror/lang-java";
+
+type Language =
+  | "javascript"
+  | "typescript"
+  | "rust"
+  | "go"
+  | "python"
+  | "java"
+  | "json";
+
+function getLanguageExtension(lang: Language) {
+  switch (lang) {
+    case "javascript":
+      return javascript();
+    case "rust":
+      return rust();
+    case "go":
+      return go();
+    case "python":
+      return python();
+    case "java":
+      return java();
+    case "json":
+      return json();
+    default:
+      return javascript();
+  }
+}
+
+export default function Editor() {
+  return (
+    <CodeMirror
+      readOnly
+      className="h-full w-full"
+      value={`// Import the necessary React library features
+import { createRoot } from 'react-dom/client';
+
+// Define a functional component named "App"
+// Component names must start with a capital letter
+function App() {
+  // Components return JSX markup
+  return (
+    <h1>Hello, world!</h1>
+  );
+}
+
+// Target a DOM element in your HTML (e.g., <div id="root"></div>)
+const domNode = document.getElementById('root');
+
+// Create a root and render your component into the DOM
+const root = createRoot(domNode);
+root.render(<App />); `}
+      extensions={[
+        getLanguageExtension("javascript"),
+        EditorState.transactionFilter.of((tr) => {
+          if (tr.selection && tr.isUserEvent("select")) {
+            return [];
+          }
+          return tr;
+        }),
+      ]}
+      theme={devRun}
+      onCreateEditor={(view) => {
+        view.focus();
+        view.dispatch({
+          selection: { anchor: 1 },
+          scrollIntoView: true,
+        });
+      }}
+    />
+  );
+}
diff --git a/src/app/run/page.tsx b/src/app/run/page.tsx
index 2e97a8e..2a0ea25 100644
--- a/src/app/run/page.tsx
+++ b/src/app/run/page.tsx
@@ -8,6 +8,7 @@ import { FileTree } from "./components/FileTree";
 import { File } from "lucide-react";
 import { devRun } from "./components/theme/theme";
 import { javascript } from "@codemirror/lang-javascript";
+import Editor from "./components/Editor";
 
 export default function Run() {
   const runInfo: RunInfo = {
@@ -52,47 +53,8 @@ export default function Run() {
             <header className="text-sm font-medium text-muted-foreground flex items-center gap-1">
               <File size={16} /> myfile.js
             </header>
-
             <div className="flex-1 pt-3 pb-5">
-              <CodeMirror
-                readOnly
-                className="h-full w-full"
-                value={`// Import the necessary React library features
-import { createRoot } from 'react-dom/client';
-
-// Define a functional component named "App"
-// Component names must start with a capital letter
-function App() {
-  // Components return JSX markup
-  return (
-    <h1>Hello, world!</h1>
-  );
-}
-
-// Target a DOM element in your HTML (e.g., <div id="root"></div>)
-const domNode = document.getElementById('root');
-
-// Create a root and render your component into the DOM
-const root = createRoot(domNode);
-root.render(<App />); `}
-                extensions={[
-                  javascript(),
-                  EditorState.transactionFilter.of((tr) => {
-                    if (tr.selection && tr.isUserEvent("select")) {
-                      return [];
-                    }
-                    return tr;
-                  }),
-                ]}
-                theme={devRun}
-                onCreateEditor={(view) => {
-                  view.focus();
-                  view.dispatch({
-                    selection: { anchor: 1 },
-                    scrollIntoView: true,
-                  });
-                }}
-              />
+              <Editor />
             </div>
           </div>
         </CardContent>