Remove unused imports and apply imports code style

spring-batch-core/src/main/java/org/springframework/batch/core/ItemWriteListener.java

@@ -15,8 +15,6 @@
  */
 package org.springframework.batch.core;
 
-import java.util.List;
-
 import org.springframework.batch.core.scope.context.ChunkContext;
 import org.springframework.batch.item.Chunk;
 import org.springframework.batch.item.ItemWriter;

spring-batch-core/src/main/java/org/springframework/batch/core/annotation/AfterWrite.java

@@ -20,7 +20,6 @@
 import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
 import java.lang.annotation.Target;
-import java.util.List;
 
 import org.springframework.batch.core.ItemWriteListener;
 import org.springframework.batch.item.ItemWriter;

spring-batch-core/src/main/java/org/springframework/batch/core/annotation/BeforeWrite.java

@@ -20,7 +20,6 @@
 import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
 import java.lang.annotation.Target;
-import java.util.List;
 
 import org.springframework.batch.core.ItemWriteListener;
 import org.springframework.batch.item.ItemWriter;

spring-batch-core/src/main/java/org/springframework/batch/core/annotation/OnWriteError.java

@@ -20,7 +20,6 @@
 import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
 import java.lang.annotation.Target;
-import java.util.List;
 
 import org.springframework.batch.core.ItemWriteListener;
 import org.springframework.batch.item.ItemWriter;

spring-batch-core/src/main/java/org/springframework/batch/core/configuration/annotation/AutomaticJobRegistrarBeanPostProcessor.java

@@ -15,8 +15,6 @@
  */
 package org.springframework.batch.core.configuration.annotation;
 
-import java.util.Iterator;
-
 import org.springframework.batch.core.configuration.JobRegistry;
 import org.springframework.batch.core.configuration.support.ApplicationContextFactory;
 import org.springframework.batch.core.configuration.support.AutomaticJobRegistrar;

spring-batch-core/src/main/java/org/springframework/batch/core/configuration/annotation/StepBuilderFactory.java

@@ -17,7 +17,6 @@
 
 import org.springframework.batch.core.repository.JobRepository;
 import org.springframework.batch.core.step.builder.StepBuilder;
-import org.springframework.transaction.PlatformTransactionManager;
 import org.springframework.util.Assert;
 
 /**

spring-batch-core/src/main/java/org/springframework/batch/core/job/builder/JobBuilderHelper.java

@@ -27,7 +27,6 @@
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
 
-import org.springframework.batch.core.Job;
 import org.springframework.batch.core.JobExecutionListener;
 import org.springframework.batch.core.JobParametersIncrementer;
 import org.springframework.batch.core.JobParametersValidator;

spring-batch-core/src/main/java/org/springframework/batch/core/launch/support/TaskExecutorJobLauncher.java

@@ -15,29 +15,18 @@
  */
 package org.springframework.batch.core.launch.support;
 
-import java.time.Duration;
-
-import org.apache.commons.logging.Log;
-import org.apache.commons.logging.LogFactory;
-import org.springframework.batch.core.BatchStatus;
-import org.springframework.batch.core.ExitStatus;
 import org.springframework.batch.core.Job;
 import org.springframework.batch.core.JobExecution;
 import org.springframework.batch.core.JobInstance;
 import org.springframework.batch.core.JobParameters;
 import org.springframework.batch.core.JobParametersInvalidException;
-import org.springframework.batch.core.StepExecution;
 import org.springframework.batch.core.launch.JobLauncher;
-import org.springframework.batch.core.observability.BatchMetrics;
 import org.springframework.batch.core.repository.JobExecutionAlreadyRunningException;
 import org.springframework.batch.core.repository.JobInstanceAlreadyCompleteException;
 import org.springframework.batch.core.repository.JobRepository;
 import org.springframework.batch.core.repository.JobRestartException;
-import org.springframework.beans.factory.InitializingBean;
 import org.springframework.core.task.SyncTaskExecutor;
 import org.springframework.core.task.TaskExecutor;
-import org.springframework.core.task.TaskRejectedException;
-import org.springframework.util.Assert;
 
 /**
  * Implementation of the {@link JobLauncher} interface based on a {@link TaskExecutor}.

spring-batch-core/src/main/java/org/springframework/batch/core/listener/StepListenerMetaData.java

@@ -17,7 +17,6 @@
 
 import java.lang.annotation.Annotation;
 import java.util.HashMap;
-import java.util.List;
 import java.util.Map;
 
 import org.springframework.batch.core.ChunkListener;

spring-batch-core/src/main/java/org/springframework/batch/core/repository/dao/JdbcJobExecutionDao.java

@@ -24,7 +24,6 @@
 import java.util.HashMap;
 import java.util.HashSet;
 import java.util.List;
-import java.util.Date;
 import java.util.Map;
 import java.util.Set;
 

spring-batch-core/src/main/java/org/springframework/batch/core/repository/dao/JdbcStepExecutionDao.java

@@ -21,7 +21,6 @@
 import java.sql.SQLException;
 import java.sql.Timestamp;
 import java.sql.Types;
-import java.time.LocalDateTime;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.Collection;

spring-batch-core/src/main/java/org/springframework/batch/core/repository/dao/JobExecutionDao.java

@@ -21,7 +21,6 @@
 
 import org.springframework.batch.core.JobExecution;
 import org.springframework.batch.core.JobInstance;
-import org.springframework.batch.core.StepExecution;
 import org.springframework.lang.Nullable;
 
 /**

spring-batch-core/src/main/java/org/springframework/batch/core/step/builder/SimpleStepBuilder.java

@@ -54,7 +54,6 @@
 import org.springframework.batch.repeat.policy.SimpleCompletionPolicy;
 import org.springframework.batch.repeat.support.RepeatTemplate;
 import org.springframework.batch.support.ReflectionUtils;
-import org.springframework.transaction.PlatformTransactionManager;
 import org.springframework.util.Assert;
 
 /**

spring-batch-core/src/main/java/org/springframework/batch/core/step/builder/StepBuilderHelper.java

@@ -27,7 +27,6 @@
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
 
-import org.springframework.batch.core.Step;
 import org.springframework.batch.core.StepExecutionListener;
 import org.springframework.batch.core.annotation.AfterStep;
 import org.springframework.batch.core.annotation.BeforeStep;

spring-batch-core/src/main/java/org/springframework/batch/core/step/item/DefaultItemFailureHandler.java

@@ -15,10 +15,9 @@
  */
 package org.springframework.batch.core.step.item;
 
-import java.util.List;
-
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
+
 import org.springframework.batch.core.listener.ItemListenerSupport;
 import org.springframework.batch.item.Chunk;
 

spring-batch-core/src/test/java/org/springframework/batch/core/JobExecutionTests.java

@@ -15,20 +15,20 @@
  */
 package org.springframework.batch.core;
 
-import static org.junit.jupiter.api.Assertions.assertEquals;
-import static org.junit.jupiter.api.Assertions.assertFalse;
-import static org.junit.jupiter.api.Assertions.assertNotNull;
-import static org.junit.jupiter.api.Assertions.assertNull;
-import static org.junit.jupiter.api.Assertions.assertTrue;
-
 import java.time.LocalDateTime;
-import java.time.temporal.ChronoUnit;
 import java.util.Arrays;
 import java.util.List;
 
 import org.junit.jupiter.api.Test;
+
 import org.springframework.util.SerializationUtils;
 
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertFalse;
+import static org.junit.jupiter.api.Assertions.assertNotNull;
+import static org.junit.jupiter.api.Assertions.assertNull;
+import static org.junit.jupiter.api.Assertions.assertTrue;
+
 /**
  * @author Dave Syer
  * @author Dimitrios Liapis

spring-batch-core/src/test/java/org/springframework/batch/core/configuration/annotation/JobBuilderConfigurationTests.java

@@ -16,25 +16,21 @@
 
 package org.springframework.batch.core.configuration.annotation;
 
-import static org.junit.jupiter.api.Assertions.assertEquals;
-
 import javax.sql.DataSource;
 
 import org.junit.jupiter.api.Test;
+
 import org.springframework.batch.core.BatchStatus;
-import org.springframework.batch.core.ExitStatus;
 import org.springframework.batch.core.Job;
 import org.springframework.batch.core.JobExecution;
 import org.springframework.batch.core.JobParametersBuilder;
 import org.springframework.batch.core.Step;
 import org.springframework.batch.core.StepContribution;
-import org.springframework.batch.core.StepExecution;
 import org.springframework.batch.core.job.builder.JobBuilder;
 import org.springframework.batch.core.job.builder.SimpleJobBuilder;
 import org.springframework.batch.core.launch.JobLauncher;
 import org.springframework.batch.core.repository.JobRepository;
 import org.springframework.batch.core.scope.context.ChunkContext;
-import org.springframework.batch.core.step.AbstractStep;
 import org.springframework.batch.core.step.builder.StepBuilder;
 import org.springframework.batch.core.step.tasklet.Tasklet;
 import org.springframework.batch.repeat.RepeatStatus;
@@ -47,6 +43,8 @@
 import org.springframework.jdbc.support.JdbcTransactionManager;
 import org.springframework.lang.Nullable;
 
+import static org.junit.jupiter.api.Assertions.assertEquals;
+
 /**
  * @author Dave Syer
  * @author Mahmoud Ben Hassine

spring-batch-core/src/test/java/org/springframework/batch/core/configuration/annotation/JobScopeConfigurationTests.java

@@ -16,10 +16,6 @@
 
 package org.springframework.batch.core.configuration.annotation;
 
-import static org.junit.jupiter.api.Assertions.assertEquals;
-import static org.junit.jupiter.api.Assertions.assertThrows;
-import static org.junit.jupiter.api.Assertions.assertTrue;
-
 import java.util.concurrent.Callable;
 
 import org.junit.jupiter.api.AfterEach;
@@ -40,13 +36,16 @@
 import org.springframework.context.annotation.AnnotationConfigApplicationContext;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
-import org.springframework.context.annotation.Import;
 import org.springframework.context.annotation.ImportResource;
 import org.springframework.context.annotation.Scope;
 import org.springframework.context.annotation.ScopedProxyMode;
 import org.springframework.context.support.ClassPathXmlApplicationContext;
 import org.springframework.lang.Nullable;
 
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertThrows;
+import static org.junit.jupiter.api.Assertions.assertTrue;
+
 /**
  * @author Dave Syer
  * @author Michael Minella

spring-batch-core/src/test/java/org/springframework/batch/core/configuration/xml/DummyItemWriter.java

@@ -15,8 +15,6 @@
  */
 package org.springframework.batch.core.configuration.xml;
 
-import java.util.List;
-
 import org.springframework.batch.item.Chunk;
 import org.springframework.batch.item.ItemWriter;
 

spring-batch-core/src/test/java/org/springframework/batch/core/configuration/xml/StepParserTests.java

@@ -15,11 +15,6 @@
  */
 package org.springframework.batch.core.configuration.xml;
 
-import static org.junit.jupiter.api.Assertions.assertEquals;
-import static org.junit.jupiter.api.Assertions.assertSame;
-import static org.junit.jupiter.api.Assertions.assertThrows;
-import static org.junit.jupiter.api.Assertions.assertTrue;
-
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.Collection;
@@ -31,6 +26,7 @@
 
 import org.junit.jupiter.api.BeforeAll;
 import org.junit.jupiter.api.Test;
+
 import org.springframework.aop.framework.Advised;
 import org.springframework.batch.core.Step;
 import org.springframework.batch.core.StepExecutionListener;
@@ -63,6 +59,10 @@
 import org.springframework.transaction.TransactionDefinition;
 import org.springframework.transaction.interceptor.DefaultTransactionAttribute;
 
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertThrows;
+import static org.junit.jupiter.api.Assertions.assertTrue;
+
 /**
  * @author Thomas Risberg
  * @author Dan Garrette

spring-batch-core/src/test/java/org/springframework/batch/core/configuration/xml/TestPojoListener.java

@@ -15,8 +15,6 @@
  */
 package org.springframework.batch.core.configuration.xml;
 
-import java.util.List;
-
 import org.springframework.batch.core.annotation.AfterWrite;
 import org.springframework.batch.item.Chunk;
 

spring-batch-core/src/test/java/org/springframework/batch/core/configuration/xml/TestWriter.java

@@ -15,8 +15,6 @@
  */
 package org.springframework.batch.core.configuration.xml;
 
-import java.util.List;
-
 import org.springframework.batch.item.Chunk;
 import org.springframework.batch.item.ItemWriter;
 

spring-batch-core/src/test/java/org/springframework/batch/core/explore/support/JobExplorerFactoryBeanTests.java

@@ -15,12 +15,6 @@
  */
 package org.springframework.batch.core.explore.support;
 
-import static org.junit.jupiter.api.Assertions.assertEquals;
-import static org.junit.jupiter.api.Assertions.assertNotNull;
-import static org.junit.jupiter.api.Assertions.assertThrows;
-import static org.junit.jupiter.api.Assertions.assertTrue;
-import static org.mockito.Mockito.mock;
-
 import javax.sql.DataSource;
 
 import org.junit.jupiter.api.Assertions;
@@ -31,14 +25,19 @@
 import org.springframework.aop.Advisor;
 import org.springframework.aop.framework.Advised;
 import org.springframework.batch.core.explore.JobExplorer;
-import org.springframework.batch.core.repository.JobRepository;
 import org.springframework.jdbc.core.JdbcOperations;
 import org.springframework.jdbc.core.JdbcTemplate;
 import org.springframework.test.util.ReflectionTestUtils;
 import org.springframework.transaction.PlatformTransactionManager;
 import org.springframework.transaction.interceptor.TransactionAttributeSource;
 import org.springframework.transaction.interceptor.TransactionInterceptor;
 
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertNotNull;
+import static org.junit.jupiter.api.Assertions.assertThrows;
+import static org.junit.jupiter.api.Assertions.assertTrue;
+import static org.mockito.Mockito.mock;
+
 /**
  * @author Dave Syer
  * @author Will Schipp

spring-batch-core/src/test/java/org/springframework/batch/core/launch/TaskExecutorJobLauncherTests.java

@@ -16,20 +16,13 @@
 
 package org.springframework.batch.core.launch;
 
-import static org.junit.jupiter.api.Assertions.assertEquals;
-import static org.junit.jupiter.api.Assertions.assertSame;
-import static org.junit.jupiter.api.Assertions.assertThrows;
-import static org.junit.jupiter.api.Assertions.assertTrue;
-import static org.junit.jupiter.api.Assertions.fail;
-import static org.mockito.Mockito.mock;
-import static org.mockito.Mockito.when;
-
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.List;
 
 import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
+
 import org.springframework.batch.core.BatchStatus;
 import org.springframework.batch.core.ExitStatus;
 import org.springframework.batch.core.Job;
@@ -49,6 +42,12 @@
 import org.springframework.core.task.TaskExecutor;
 import org.springframework.core.task.TaskRejectedException;
 
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertThrows;
+import static org.junit.jupiter.api.Assertions.assertTrue;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.when;
+
 /**
  * @author Lucas Ward
  * @author Will Schipp

spring-batch-core/src/test/java/org/springframework/batch/core/listener/CompositeItemWriteListenerTests.java

@@ -15,17 +15,16 @@
  */
 package org.springframework.batch.core.listener;
 
-import static org.mockito.Mockito.mock;
-
 import java.util.ArrayList;
-import java.util.Collections;
-import java.util.List;
 
 import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
+
 import org.springframework.batch.core.ItemWriteListener;
 import org.springframework.batch.item.Chunk;
 
+import static org.mockito.Mockito.mock;
+
 /**
  * @author Lucas Ward
  * @author Will Schipp