import org.testng.annotations.Test;
public class ExampleTest {
@Test
public void testMethod() {
}
}
<!DOCTYPE suite SYSTEM "https://testng.org/testng-1.0.dtd">
<suite name="Example Suite">
<test name="Example Test">
<classes>
<class name="com.example.ExampleTest"/>
</classes>
</test>
</suite>
java -cp "testng.jar:classes" org.testng.TestNG testng.xml