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 d551c856dc6..f3219cf67d7 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 1a9b248f2b5..3a4011305b1 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 @@ private static String filterBindMarker(CharSequence input) {
 			}
 		}
 
-		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 9ab9eb13e81..d2d5d83893c 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 @@ private static String filterBindMarker(CharSequence input) {
 			}
 		}
 
-		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 62686ceb04f..516a29899c8 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 @@ enum PrependWithLeadingWhitespace implements Function<CharSequence, CharSequence
 		@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 107ec92e6cb..249e7189361 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 @@ Delegation leaveNested(Visitable segment) {
 				part.append(", ");
 			}
 
-			if (part.length() == 0) {
+			if (part.isEmpty()) {
 				part.append(renderedPart);
 				if (notIn) {
 					part.append(" NOT");