diff --git a/spring-data-jdbc/src/test/java/org/springframework/data/jdbc/repository/support/SimpleJdbcRepositoryUnitTests.java b/spring-data-jdbc/src/test/java/org/springframework/data/jdbc/repository/support/SimpleJdbcRepositoryUnitTests.java
index d551c856d..f3219cf67 100644
--- a/spring-data-jdbc/src/test/java/org/springframework/data/jdbc/repository/support/SimpleJdbcRepositoryUnitTests.java
+++ b/spring-data-jdbc/src/test/java/org/springframework/data/jdbc/repository/support/SimpleJdbcRepositoryUnitTests.java
@@ -42,7 +42,7 @@ public class SimpleJdbcRepositoryUnitTests {
 	@Test // DATAJDBC-252
 	public void saveReturnsEntityProducedByOperations() {
 
-		SimpleJdbcRepository<Sample, Object> repository = new SimpleJdbcRepository<>(operations, entity,converter);
+		SimpleJdbcRepository<Sample, Object> repository = new SimpleJdbcRepository<>(operations, entity, converter);
 
 		Sample expected = new Sample();
 		doReturn(expected).when(operations).save(any());
diff --git a/spring-data-r2dbc/src/main/java/org/springframework/data/r2dbc/dialect/OracleDialect.java b/spring-data-r2dbc/src/main/java/org/springframework/data/r2dbc/dialect/OracleDialect.java
index 1a9b248f2..3a4011305 100644
--- a/spring-data-r2dbc/src/main/java/org/springframework/data/r2dbc/dialect/OracleDialect.java
+++ b/spring-data-r2dbc/src/main/java/org/springframework/data/r2dbc/dialect/OracleDialect.java
@@ -53,7 +53,7 @@ public class OracleDialect extends org.springframework.data.relational.core.dial
 			}
 		}
 
-		if (builder.length() == 0) {
+		if (builder.isEmpty()) {
 			return "";
 		}
 
diff --git a/spring-data-r2dbc/src/main/java/org/springframework/data/r2dbc/dialect/SqlServerDialect.java b/spring-data-r2dbc/src/main/java/org/springframework/data/r2dbc/dialect/SqlServerDialect.java
index 9ab9eb13e..d2d5d8389 100644
--- a/spring-data-r2dbc/src/main/java/org/springframework/data/r2dbc/dialect/SqlServerDialect.java
+++ b/spring-data-r2dbc/src/main/java/org/springframework/data/r2dbc/dialect/SqlServerDialect.java
@@ -50,7 +50,7 @@ public class SqlServerDialect extends org.springframework.data.relational.core.d
 			}
 		}
 
-		if (builder.length() == 0) {
+		if (builder.isEmpty()) {
 			return "";
 		}
 
diff --git a/spring-data-relational/src/main/java/org/springframework/data/relational/core/dialect/AbstractDialect.java b/spring-data-relational/src/main/java/org/springframework/data/relational/core/dialect/AbstractDialect.java
index 62686ceb0..516a29899 100644
--- a/spring-data-relational/src/main/java/org/springframework/data/relational/core/dialect/AbstractDialect.java
+++ b/spring-data-relational/src/main/java/org/springframework/data/relational/core/dialect/AbstractDialect.java
@@ -196,7 +196,7 @@ public abstract class AbstractDialect implements Dialect {
 		@Override
 		public CharSequence apply(CharSequence charSequence) {
 
-			if (charSequence.length() == 0) {
+			if (charSequence.isEmpty()) {
 				return charSequence;
 			}
 
diff --git a/spring-data-relational/src/main/java/org/springframework/data/relational/core/sql/render/InVisitor.java b/spring-data-relational/src/main/java/org/springframework/data/relational/core/sql/render/InVisitor.java
index 107ec92e6..249e71893 100644
--- a/spring-data-relational/src/main/java/org/springframework/data/relational/core/sql/render/InVisitor.java
+++ b/spring-data-relational/src/main/java/org/springframework/data/relational/core/sql/render/InVisitor.java
@@ -47,7 +47,7 @@ class InVisitor extends TypedSingleConditionRenderSupport<In> {
 				part.append(", ");
 			}
 
-			if (part.length() == 0) {
+			if (part.isEmpty()) {
 				part.append(renderedPart);
 				if (notIn) {
 					part.append(" NOT");