Add groovy list
- Groovy add list
- Groovy add list to map
- Groovy add to list if not exists
- Groovy add two lists
- Groovy add to list if not null
- Groovy add two lists together
- Groovy add to list at index
- Groovy add one list to another
- Groovy add to list first
- Groovy add value to list
- Groovy list add all
- Groovy add object to list
- Groovy add items to list
- Groovy list add to beginning
- Groovy list add first element