Duplications Manager

570274b96eaa5a0c65add707

@return the previous object at that index

"public E set(int index,E obj)"

file : https_github_com_apache_commons-collections_git/src/main/java/org/apache/commons/collections4/list/TreeList.java

"public E remove(int index)"

file : https_github_com_apache_commons-collections_git/src/main/java/org/apache/commons/collections4/list/TreeList.java