<dependency> <groupId>com.google.truth</groupId> <artifactId>truth</artifactId> <version>1.1</version> <scope>test</scope> </dependency> import com.google.common.truth.Truth; import org.junit.Test; public class DataValidationTest { @Test public void testStringLength() { String data = "Hello, World!"; Truth.assertThat(data).hasLength(13); } @Test public void testNotNull() { Object data = new Object(); Truth.assertThat(data).isNotNull(); } }