Domande di colloquio per Java Software Developer presso Openspace Services

what is interface Java 8 feature?

I) One question paper where 1) logical questions 2) html program to write 3) javascript question on swapping and another was on stack 4) program on ur own language to sort number on ascending order 5) write sql queries based on the table given in question II) face to face was pure technical where they will ask oops concept in detail have to explain and they will also tell to write program which is asked based on there interest