What is the difference between .stream() and Stream.of?

Question

Which is the best way to create a stream out of a collection:

    final Collection entities = someService.getArrayList();

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Answer 1

I myself keep getting confused about this so I might as well leave this here for future reference:

import java.util.stream.IntStream;
import java.util.stream.Stream;

import static java.util.Arrays.*;
import static java.util.stream.Stream.*;

class Foo {
    void foo() {
        Stream foo; 

        foo =     of(new Foo(), new Foo());
     // foo = stream(new Foo(), new Foo()); not possible

        foo =     of(new Foo[]{new Foo(), new Foo()});
        foo = stream(new Foo[]{new Foo(), new Foo()});

        Stream integerStream; 

        integerStream =     of(1, 2);
     // integerStream = stream(1, 2); not possible

        integerStream =     of(new Integer[]{1, 2});
        integerStream = stream(new Integer[]{1, 2});

        Stream intArrayStream =     of(new int[]{1, 2}); // count = 1!
        IntStream intStream          = stream(new int[]{1, 2}); // count = 2!
    }
}