docs: clarify how to import assertions (#9868)

docs/src/api/class-playwrightassertions.md

@@ -6,7 +6,18 @@ The [PlaywrightAssertions] class provides convenience methods for creating asser
 Consider the following example:
 
 ```java
-assertThat(page.locator('.status')).hasText('Submitted');
+...
+import static com.microsoft.playwright.assertions.PlaywrightAssertions.assertThat;
+
+public class TestExample {
+  ...
+  @Test
+  void statusBecomesSubmitted() {
+    ...
+    page.click("#submit-button");
+    assertThat(page.locator(".status")).hasText("Submitted");
+  }
+}
 ```
 
 Playwright will be re-testing the node with the selector `.status` until fetched Node has the `"Submitted"`
@@ -15,6 +26,16 @@ reached. You can pass this timeout as an option.
 
 By default, the timeout for assertions is set to 5 seconds.
 
+To use Playwright assertions add the following dependency into the `pom.xml` of your Maven project:
+
+```xml
+<dependency>
+  <groupId>com.microsoft.playwright</groupId>
+  <artifactId>assertions</artifactId>
+  <version>1.16.0</version>
+</dependency>
+```
+
 ## method: PlaywrightAssertions.assertThatLocator
 * langs: java
   - alias-java: assertThat

docs/src/intro-java.md

@@ -59,7 +59,7 @@ public class Example {
     <dependency>
       <groupId>com.microsoft.playwright</groupId>
       <artifactId>playwright</artifactId>
-      <version>1.9.0-alpha-0</version>
+      <version>1.16.0</version>
     </dependency>
   </dependencies>
   <build>