Stream operations can have one of two following types:

1. Intermidiate
2. Terminal

Some of the examples:

1. filter
2. map
3. limit

Some of the examples:

1. forEach
2. reduce
3. collect
4. min max count
5. anyMatch allMatch noneMatch

1. Out of list

list.stream()

2. via agruments

Stream<Integer> stream = Stream.of(1,2);

can be generated via Stream.generate()

Stream.generate(new Random()::nextInt) 
    .limit(10).forEach(System.out::println);  

Accepts, doesnt return mostly used for printing out

Accepts and returns

Doesnt accepts, returns