Replace ArrayList with LinkedList in ListItemReader

Issue #3782

Author: jojoldu

spring-batch-infrastructure/src/main/java/org/springframework/batch/item/support/ListItemReader.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2006-2019 the original author or authors.
+ * Copyright 2006-2021 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -16,7 +16,7 @@
 
 package org.springframework.batch.item.support;
 
-import java.util.ArrayList;
+import java.util.LinkedList;
 import java.util.List;
 
 import org.springframework.aop.support.AopUtils;
@@ -27,7 +27,8 @@
  * An {@link ItemReader} that pulls data from a list. Useful for testing.
  * 
  * @author Dave Syer
- * 
+ * @author jojoldu
+ *
  */
 public class ListItemReader<T> implements ItemReader<T> {
 
@@ -40,7 +41,7 @@ public ListItemReader(List<T> list) {
 			this.list = list;
 		}
 		else {
-			this.list = new ArrayList<>(list);
+			this.list = new LinkedList<>(list);
 		}
 	}