diff --git a/README.md b/README.md
index 4893418..690d99c 100644
--- a/README.md
+++ b/README.md
@@ -6,28 +6,28 @@ java2js can translate simple Java programs to JavaScript and runs them using a J
 
 ## Java classes included in the java2js JDK
 
-| java.io |             |             |
-| ------- | ----------- | ----------- |
-| File    | InputStream | PrintStream |
+| `java.io` |             |             |
+| :-------- | ----------- | ----------- |
+| File      | InputStream | PrintStream |
 
-| java.lang |               |           |
-| --------- | ------------- | --------- |
-| Boolean   | Byte          | Character |
-| Double    | Exception     | Float     |
-| Integer   | Long          | Short     |
-| String    | StringBuilder | System    |
-| Thread    | Throwable     |           |
+| `java.lang` |               |           |
+| :---------- | ------------- | --------- |
+| Boolean     | Byte          | Character |
+| Double      | Exception     | Float     |
+| Integer     | Long          | Short     |
+| String      | StringBuilder | System    |
+| Thread      | Throwable     |           |
 
-| java.security |     |     |
-| ------------- | --- | --- |
-| MessageDigest |     |     |
+| `java.security` |
+| :-------------- |
+| MessageDigest   |
 
-| java.time |     |     |
-| --------- | --- | --- |
-| Instant   |     |     |
+| `java.time` |
+| :---------- |
+| Instant     |
 
-| java.util          |                        |             |
-| ------------------ | ---------------------- | ----------- |
+| `java.util`        |                        |             |
+| :----------------- | ---------------------- | ----------- |
 | AbstractCollection | AbstractList           | AbstractMap |
 | AbstractSet        | ArrayList              | Arrays      |
 | Collections        | Formatter              | HashMap     |
@@ -48,6 +48,7 @@ The java2js transpiler supports:
 - two dimensional arrays
 - lambda arrow functions
 - triple quote strings
+- try/catch blocks
 
 ## API
 
@@ -55,7 +56,7 @@ The java2js transpiler supports:
 
 This function imports the standard java.lang classes into the global scope. You must use it before translating or running files.
 
-- root: (optional) path to the JS JDK folder, by default it is `./jdk` (the java2js JS JDK), for online use on codepen or similar code sharing sites you can use this link as the root path: 'https://unpkg.com/java2js/jdk'
+- root: (optional) path to the JS JDK folder, by default it is `./jdk` (the java2js JS JDK), for online use on codepen or similar code sharing sites you can use this link as the root path: 'https://quinton-ashley.github.io/java2js/jdk'
 
 ### await jdk.transpile(javaFile)
 
diff --git a/ide.js b/ide.js
index b3c07bd..b15066a 100644
--- a/ide.js
+++ b/ide.js
@@ -2,11 +2,15 @@
 	jdk.log = document.getElementById('javaConsole');
 	await jdk.init('./jdk');
 
-	let file0 = document.getElementById('javaFile');
-	file0.onchange = async () => {
+	async function run() {
 		jdk.log.value = '';
 		let translation = await jdk.transpile(file0.value);
 		console.log(translation);
 		jdk.run();
-	};
+	}
+
+	let file0 = document.getElementById('javaFile');
+	file0.onchange = run;
+
+	run();
 })();
diff --git a/index.html b/index.html
index ac24a03..5ab2b21 100755
--- a/index.html
+++ b/index.html
@@ -55,7 +55,14 @@
 			autocorrect="off"
 			autocapitalize="off"
 			placeholder="Create a Java class with a main method here..."
-		></textarea>
+		>
+public class HelloWorld {
+  public static void main(String[] args){
+    System.out.println("hello world!");
+  }
+}
+</textarea
+		>
 		<div class="mid" onclick="location.href = 'https:\/\/github.com/quinton-ashley/java2js';">
 			<img src="favicon.ico" />
 			<p>j</p>
diff --git a/jdk.js b/jdk.js
index 48f9bd2..9d2d381 100755
--- a/jdk.js
+++ b/jdk.js
@@ -171,7 +171,7 @@
 						let imports = file.slice(0, classLine);
 						imports = imports.match(/(?<=^import )[^;]*/gm) || [];
 
-						let className = file.slice(classLine + 13, file.indexOf(' {', classLine + 13));
+						let className = file.slice(classLine + 13, file.indexOf('{', classLine + 13));
 
 						// workaround hack for converting triple quotes to a normal string
 						file = file.replace(/"""([^"]*)"""/gm, (match, p1) => {
diff --git a/jdk/java/util/Scanner.js b/jdk/java/util/Scanner.js
index 2aa5173..73fc37e 100755
--- a/jdk/java/util/Scanner.js
+++ b/jdk/java/util/Scanner.js
@@ -32,7 +32,7 @@ jdk.imports['java.util.Scanner'].load = async () => {
 			return await this.next(/.*\n/);
 		}
 		async next(pattern) {
-			while (this._loading || !this.hasNext(pattern)) {
+			while (this._loading || !(await this.hasNext(pattern))) {
 				await new Promise((done) => setTimeout(() => done(), 100));
 			}
 			let buf = this.in.stream.slice(this.in.mark);
diff --git a/package.json b/package.json
index d5cdb28..bc23b27 100644
--- a/package.json
+++ b/package.json
@@ -1,11 +1,11 @@
 {
 	"name": "java2js",
-	"version": "1.2.4",
+	"version": "1.2.5",
 	"description": "Converts Java to JavaScript and runs it with a JS JDK",
 	"main": "jdk.js",
 	"scripts": {
-		"start": "open demo.html",
-		"test": "open demo.html",
+		"start": "open index.html",
+		"test": "open index.html",
 		"v": "npm version patch --force",
 		"V": "npm version minor --force",
 		"version": "git add -A",