Added additional details to Java integration

docs/integration-java.mdx

@@ -10,6 +10,8 @@ keywords: [ pyroscope, java, javaspy, profiling, async-profiler ]
 
 import Tabs from '@theme/Tabs';
 import TabItem from '@theme/TabItem';
+import {exampleMaven, exampleGradle, examplePlainJava, exampleSpringFramework} from '../src/javaCodeBlocks';
+import CodeBlock from '@theme/CodeBlock';
 
 
 Pyroscope uses [async-profiler](https://github.com/jvm-profiling-tools/async-profiler) to collect profiling data from Java applications.
@@ -40,22 +42,36 @@ You can start pyroscope either from your apps's java code or attach it as javaag
 #### Start pyroscope from app's java code
 
 Add pyroscope dependency:
-```kotlin
-implementation("io.pyroscope:agent:${pyroscope_version}")
-```
+
+<Tabs
+  defaultValue="maven"
+  values={[
+    {label: 'Maven', value: 'maven'},
+    {label: 'Gradle', value: 'gradle'},
+  ]}>
+    <TabItem value="maven">
+      <CodeBlock className="language-xml">{exampleMaven}</CodeBlock>
+    </TabItem>
+    <TabItem value="gradle">
+      <CodeBlock className="language-java">{exampleGradle}</CodeBlock>
+    </TabItem>
+</Tabs>
+
 Then add the following code to your application:
-```java
-PyroscopeAgent.start(
-  new Config.Builder()
-    .setApplicationName("ride-sharing-app-java")
-    .setProfilingEvent(EventType.ITIMER)
-    .setFormat(Format.JFR)
-    .setServerAddress("http://pyroscope-server:4040")
-    // Optionally, if authentication is enabled, specify the API key.
-    // .setAuthToken(System.getenv("PYROSCOPE_AUTH_TOKEN"))
-    .build()
-);
-```
+
+<Tabs
+  defaultValue="plain-java"
+  values={[
+    {label: 'Java', value: 'plain-java'},
+    {label: 'Spring Framework', value: 'spring'},
+  ]}>
+    <TabItem value="plain-java">
+      <CodeBlock className="language-java">{examplePlainJava}</CodeBlock>
+    </TabItem>
+    <TabItem value="spring">
+      <CodeBlock className="language-java">{exampleSpringFramework}</CodeBlock>
+    </TabItem>
+</Tabs>
 
 You can also optionally replace some pyroscope components 
 

src/javaCodeBlocks.js

@@ -0,0 +1,40 @@
+export const exampleGradle = `implementation("io.pyroscope:agent:\${pyroscope_version}")`
+
+export const exampleMaven = `<dependency>
+  <groupId>io.pyroscope</groupId>
+  <artifactId>agent</artifactId>
+  <version>pyroscope_version</version>
+</dependency>`
+
+export const examplePlainJava = `PyroscopeAgent.start(
+    new Config.Builder()
+      .setApplicationName("ride-sharing-app-java")
+      .setProfilingEvent(EventType.ITIMER)
+      .setFormat(Format.JFR)
+      .setServerAddress("http://pyroscope-server:4040")
+      // Optionally, if authentication is enabled, specify the API key.
+      // .setAuthToken(System.getenv("PYROSCOPE_AUTH_TOKEN"))
+      .build()
+  );`
+
+export const exampleSpringFramework = `import io.pyroscope.javaagent.PyroscopeAgent;
+import io.pyroscope.javaagent.config.Config;
+import io.pyroscope.javaagent.EventType;
+import io.pyroscope.http.Format;
+
+@PostConstruct
+public void init() {
+
+    PyroscopeAgent.start(
+    new Config.Builder()
+        .setApplicationName("ride-sharing-app-java")
+        .setProfilingEvent(EventType.ITIMER)
+        .setFormat(Format.JFR)
+        .setServerAddress("http://pyroscope-server:4040")
+        // Optionally, if authentication is enabled, specify the API key.
+        // .setAuthToken(System.getenv("PYROSCOPE_AUTH_TOKEN"))
+        // Optionally, if you'd like to sets allocation threshold to register events, in bytes. '0' registers all events
+        // .setProfilingAlloc("0")
+        .build()
+    );
+}`