Arrays, List- Arraylist,linkedList,vector,stack set- TreeSet,HashSet,SortedSet... Map- TreeMap,HashMap,HashTable,ConcurrentHashMap
…or create a new repository on the command line echo "# Java_Collection_Snippets-" >> README.md git init git add README.md git commit -m "first commit" git remote add origin https://github.com/balaji-singh/Java_Collection_Snippets-.git git push -u origin master …or push an existing repository from the command line git remote add origin https://github.com/balaji-singh/Java_Collection_Snippets-.git git push -u origin master …or import code from another repository You can initialize this repository with code from a Subversion, Mercurial, or TFS project.