Java 8 🔥 | Programming Interview Questions & Answers | Stream API | Java Techie

In this Tutorial We will discuss commomly asked coding & programme on java 8 stream api with hands-on coding

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[gtbaba]

Im springboot coder. Plz continue these series. Highly appreciated your work.

[muhassinmusthafa]

Hi Bro..Thanks a lot..watched ur videos and really more helpful

Two alternate ways to find the second highest number :

Without using boxed()
1. Integer secondHighest1 = - 2).findFirst().getAsInt();

With using boxed()
2. Optional<Integer > secondHighest2 = - 2).findFirst();
and then print secondHighest2.get()

condition -> array should not be empty and must contain at least 2 elements

[azimahmad]

Great Explanation Sir, Thank you so much!

[amolorape]

Because of you sir i cracked couple interviews, when I started looking for a new job, I just watching your video again and revising the concept
One of the best YouTube channel for learner

Lot's of respect sir..

[thevagabondyt]

34:30 using map() is redundant
List<Integer> oneStartingNumberLists = Arrays.stream(nums)
.boxed()
.filter(n ->


Since it is boxed() meaning Integer can be converted into string using toString()

[abiz]

Thanks @javatechie excellent content, but for this problem, this is much simpler //find longest string from given array
String longestword = strings.stream().max((s1, s2)->s1.length()-s2.length()).get();

[aadiraj]

Very useful lecture for beginners. Produce more such interview related coding questions which involves 0 to 6/7 years. We're here to consume 😋

[mohammadzakaria]

Great Video 🙌Thanks for sharing 👍
Please keep sharing similar coding challenges on Java8+

[aman_deep]

thank you for teaching how to use stream API effectively

[saurabhsuman]

Simple and to the point coverage of different stream related questions. Thanks for your efforts.

[farhaankazi]

Awesome video, specially how he showed groupingBy() example and trick to solve many interview questions using this base technique where cosmetic modifications do wonders. The other thing is that he shown one example second largest/lowest and largest/lowest element in list but there is one additional thing is required which is to add distinct() keyword in stream otherwise if there are duplicate largest/lowest number then it would not work

[dmode]

Thanks, just what I needed for my upcoming interview.

[ishantkhandelwal]

Excellent ! Please bring in some more practical problem solving examples in JAVA. This is very rare high quality stuff

[vivekpal]

simple solution for finding nth largest string .String
.sorted((s1, s2) -> s2.length() - s1.length())
.skip(n-1)
.findFirst()
.orElse("");

[vinodnayak]

Really Useful and covered most of the repeatated questions on Java 8 interviews...Thanks Basant😍

[AkshaySingh-wxcp]

It's just perfect. Thank you. Please keep going.

[Atul_Shegokar]

wow excellent.... Thank you very much @Java Techie, many times asked this questions & now I can answer.

[ksaravind]

very very good and useful bro, this is called spoon feeding 😄😍😍😍 love it

[claytonrobert]

Best ever java coding stream 8 video .

[techtips]

Please provide more examples.. It really helps!!.. Continue doing this as a series.. thanks a lot