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Sebb edited comment on COLLECTIONS-605 at 6/27/17 11:53 AM: ------------------------------------------------------------ Here is the example that inspired me: {code:title=org.apache.hadoop.hive.serde2.RegexSerDe} row = new ArrayList<Object>(numColumns); // Constructing the row object, etc, which will be reused for all rows. for (int c = 0; c < numColumns; c++) { row.add(null); } {code} What it would be nice to do: {code:title=org.apache.hadoop.hive.serde2.RegexSerDe} row = new ArrayList<Object>(numColumns); CollectionUtils.addNCopies(row, numColumns, null); {code} was (Author: belugabehr): Here is the example that inspired me: {code:title=org.apache.hadoop.hive.serde2.RegexSerDe} row = new ArrayList<Object>(numColumns); // Constructing the row object, etc, which will be reused for all rows. for (int c = 0; c < numColumns; c++) { row.add(null); } {code} What it would be nice to do: {code:title=org.apache.hadoop.hive.serde2.RegexSerDe} row = new ArrayList<Object>(numColumns); CollectionUtils.addNCopies(numColumns, null); {code} > Add new CollectionUtils Feature - addNCopies > -------------------------------------------- > > Key: COLLECTIONS-605 > URL: https://issues.apache.org/jira/browse/COLLECTIONS-605 > Project: Commons Collections > Issue Type: New Feature > Affects Versions: 4.1 > Reporter: BELUGA BEHR > Priority: Trivial > Attachments: COLLECTIONS-605.1.patch > > > Java's {{java.util.Collections}} has: > {code} > nCopies(int n, T o) > Returns an immutable list consisting of n copies of the specified object. > addAll(Collection<? super T> c, T... elements) > Adds all of the specified elements to the specified collection. > fill(List<? super T> list, T obj) > Replaces all of the elements of the specified list with the specified element. > {code} > However, it does not have the ability to add nCopies directly to a Collection. -- This message was sent by Atlassian JIRA (v6.4.14#64029)