Add blank line between java and javax imports

See gh-23539

spring-tx/src/main/java/org/springframework/jca/cci/connection/SingleConnectionFactory.java

@@ -20,6 +20,7 @@ import java.lang.reflect.InvocationHandler;
 import java.lang.reflect.InvocationTargetException;
 import java.lang.reflect.Method;
 import java.lang.reflect.Proxy;
+
 import javax.resource.NotSupportedException;
 import javax.resource.ResourceException;
 import javax.resource.cci.Connection;

spring-tx/src/main/java/org/springframework/jca/cci/connection/TransactionAwareConnectionFactoryProxy.java

@@ -20,6 +20,7 @@ import java.lang.reflect.InvocationHandler;
 import java.lang.reflect.InvocationTargetException;
 import java.lang.reflect.Method;
 import java.lang.reflect.Proxy;
+
 import javax.resource.ResourceException;
 import javax.resource.cci.Connection;
 import javax.resource.cci.ConnectionFactory;

spring-tx/src/main/java/org/springframework/jca/cci/core/CciTemplate.java

@@ -17,6 +17,7 @@
 package org.springframework.jca.cci.core;
 
 import java.sql.SQLException;
+
 import javax.resource.NotSupportedException;
 import javax.resource.ResourceException;
 import javax.resource.cci.Connection;

spring-tx/src/main/java/org/springframework/jca/cci/core/ConnectionCallback.java

@@ -17,6 +17,7 @@
 package org.springframework.jca.cci.core;
 
 import java.sql.SQLException;
+
 import javax.resource.ResourceException;
 import javax.resource.cci.Connection;
 import javax.resource.cci.ConnectionFactory;

spring-tx/src/main/java/org/springframework/jca/cci/core/InteractionCallback.java

@@ -17,6 +17,7 @@
 package org.springframework.jca.cci.core;
 
 import java.sql.SQLException;
+
 import javax.resource.ResourceException;
 import javax.resource.cci.ConnectionFactory;
 import javax.resource.cci.Interaction;

spring-tx/src/main/java/org/springframework/jca/cci/core/RecordExtractor.java

@@ -17,6 +17,7 @@
 package org.springframework.jca.cci.core;
 
 import java.sql.SQLException;
+
 import javax.resource.ResourceException;
 import javax.resource.cci.Record;
 

spring-tx/src/main/java/org/springframework/jca/cci/core/support/CommAreaRecord.java

@@ -19,6 +19,7 @@ package org.springframework.jca.cci.core.support;
 import java.io.IOException;
 import java.io.InputStream;
 import java.io.OutputStream;
+
 import javax.resource.cci.Record;
 import javax.resource.cci.Streamable;
 

spring-tx/src/main/java/org/springframework/jca/cci/object/MappingCommAreaOperation.java

@@ -17,6 +17,7 @@
 package org.springframework.jca.cci.object;
 
 import java.io.IOException;
+
 import javax.resource.cci.ConnectionFactory;
 import javax.resource.cci.InteractionSpec;
 import javax.resource.cci.Record;

spring-tx/src/main/java/org/springframework/jca/cci/object/MappingRecordOperation.java

@@ -17,6 +17,7 @@
 package org.springframework.jca.cci.object;
 
 import java.sql.SQLException;
+
 import javax.resource.ResourceException;
 import javax.resource.cci.ConnectionFactory;
 import javax.resource.cci.InteractionSpec;

spring-tx/src/main/java/org/springframework/jca/endpoint/AbstractMessageEndpointFactory.java

@@ -17,6 +17,7 @@
 package org.springframework.jca.endpoint;
 
 import java.lang.reflect.Method;
+
 import javax.resource.ResourceException;
 import javax.resource.spi.ApplicationServerInternalException;
 import javax.resource.spi.UnavailableException;

spring-tx/src/main/java/org/springframework/jca/support/SimpleBootstrapContext.java

@@ -17,6 +17,7 @@
 package org.springframework.jca.support;
 
 import java.util.Timer;
+
 import javax.resource.spi.BootstrapContext;
 import javax.resource.spi.UnavailableException;
 import javax.resource.spi.XATerminator;

spring-tx/src/main/java/org/springframework/jca/work/WorkManagerTaskExecutor.java

@@ -19,6 +19,7 @@ package org.springframework.jca.work;
 import java.util.concurrent.Callable;
 import java.util.concurrent.Future;
 import java.util.concurrent.FutureTask;
+
 import javax.naming.NamingException;
 import javax.resource.spi.BootstrapContext;
 import javax.resource.spi.work.ExecutionContext;

spring-tx/src/main/java/org/springframework/transaction/annotation/Ejb3TransactionAnnotationParser.java

@@ -18,6 +18,7 @@ package org.springframework.transaction.annotation;
 
 import java.io.Serializable;
 import java.lang.reflect.AnnotatedElement;
+
 import javax.ejb.ApplicationException;
 import javax.ejb.TransactionAttributeType;
 

spring-tx/src/main/java/org/springframework/transaction/jta/JtaAfterCompletionSynchronization.java

@@ -17,6 +17,7 @@
 package org.springframework.transaction.jta;
 
 import java.util.List;
+
 import javax.transaction.Status;
 import javax.transaction.Synchronization;
 

spring-tx/src/main/java/org/springframework/transaction/jta/JtaTransactionManager.java

@@ -21,6 +21,7 @@ import java.io.ObjectInputStream;
 import java.io.Serializable;
 import java.util.List;
 import java.util.Properties;
+
 import javax.naming.NamingException;
 import javax.transaction.HeuristicMixedException;
 import javax.transaction.HeuristicRollbackException;

spring-tx/src/main/java/org/springframework/transaction/jta/WebLogicJtaTransactionManager.java

@@ -19,6 +19,7 @@ package org.springframework.transaction.jta;
 import java.io.Serializable;
 import java.lang.reflect.InvocationTargetException;
 import java.lang.reflect.Method;
+
 import javax.transaction.InvalidTransactionException;
 import javax.transaction.NotSupportedException;
 import javax.transaction.SystemException;

spring-tx/src/main/java/org/springframework/transaction/jta/WebSphereUowTransactionManager.java

@@ -17,6 +17,7 @@
 package org.springframework.transaction.jta;
 
 import java.util.List;
+
 import javax.naming.NamingException;
 
 import com.ibm.websphere.uow.UOWSynchronizationRegistry;

spring-tx/src/test/java/org/springframework/dao/annotation/PersistenceExceptionTranslationAdvisorTests.java

@@ -20,6 +20,7 @@ import java.lang.annotation.ElementType;
 import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
 import java.lang.annotation.Target;
+
 import javax.persistence.PersistenceException;
 
 import org.junit.jupiter.api.Test;

spring-tx/src/test/java/org/springframework/jca/cci/CciTemplateTests.java

@@ -17,6 +17,7 @@
 package org.springframework.jca.cci;
 
 import java.sql.SQLException;
+
 import javax.resource.NotSupportedException;
 import javax.resource.ResourceException;
 import javax.resource.cci.Connection;

spring-tx/src/test/java/org/springframework/transaction/annotation/AnnotationTransactionAttributeSourceTests.java

@@ -21,6 +21,7 @@ import java.io.Serializable;
 import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
 import java.lang.reflect.Method;
+
 import javax.ejb.TransactionAttributeType;
 
 import groovy.lang.GroovyObject;

spring-tx/src/test/java/org/springframework/transaction/annotation/AnnotationTransactionNamespaceHandlerTests.java

@@ -19,6 +19,7 @@ package org.springframework.transaction.annotation;
 import java.lang.management.ManagementFactory;
 import java.util.Collection;
 import java.util.Map;
+
 import javax.management.MBeanServer;
 import javax.management.ObjectName;
 

spring-tx/src/test/java/org/springframework/transaction/jta/MockUOWManager.java

@@ -20,6 +20,7 @@ import java.util.HashMap;
 import java.util.LinkedList;
 import java.util.List;
 import java.util.Map;
+
 import javax.transaction.Synchronization;
 
 import com.ibm.wsspi.uow.UOWAction;