Java list get first element

- Java list get first element or null
- Java list get first element and remove it
- Java list get first element if exists
- Java list get first element if not null
- Java list get first n elements
- Java util list get first element
- Java list get first 10 elements
- Get first element of linked list java
- Java list get first 100 elements
- Java list stream get first element
- Java 8 list get first element
- Java list get first 3 elements
- Java optional list get first element
- Java list iterator get first element