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[SOLVED]: Returning Optionals in Java

22nd Feb 2023, 3:26 PM

Emmanuel Pena

java optional practical return

15 голосов

What is the optionals subjects in python?

15th Nov 2020, 7:41 AM

Chris Ng

python3

0 голосов

Plz any ios developer explain how optionals can work?

30th Oct 2018, 4:24 PM

Mohamed Rashidey Hasan

functions swift

1 голос

6 ответов

24th Jun 2016, 1:44 PM

veeranarayana gutti

How to change language on the SoloLearn

9 голосов

I Will love to program but I'm a beginner were should I start from .... any suggestions thanks

9th Feb 2018, 7:36 PM

maksonios

Как создать программу на андроид

1 голос

12 ответов

12th Feb 2020, 8:23 PM

José Eduardo García Colin

Write a python program to count the frequency of a particular character in a text file.

4 голосов

6 ответов

2nd Mar 2019, 9:37 AM

Роман

If I want to create a website then I will be learn all languages?

0 голосов

9 ответов

1st May 2019, 5:29 PM

Jacob Richard

3 голосов

27th Jul 2018, 2:37 PM

NISHANT KUMAR

Do you know gnome sort

0 голосов

Is it the fear of losing or something else?

6th May 2020, 1:02 AM

Ebru

-1 голос

when l use "cin" to put some characters in c++,it always ends in an error .

9th Apr 2018, 1:10 AM

Viryl15

1 голос

what is the best developer tools for developing android apps?

27th Mar 2017, 9:02 AM

big brother w

1 голос

Which programming language is best to learn if you are interested in Internet of Things

13th Feb 2018, 6:24 AM

Emerson Austria

0 голосов

Pls i am new here i want to confirm if I can upload an image in the web i am building with sololearn app

18th Jan 2020, 6:24 PM

Toluwaleke Matilukuro

1 голос

Rewrite the code using ternary operators

15th Nov 2019, 10:10 PM

Prince Stevezy

optionals ternary

1 голос

18 ответов

27th May 2021, 1:30 PM

Neeta Maddheshiya

Which is easier && what should I do

-2 голосов

Relly can i learn coding and hacking from this app

6th Jul 2021, 4:03 AM

Mukul

0 голосов

16th Jul 2017, 11:31 PM

Naveen Moun

¿Qué es HTML?

0 голосов

I am getting indentation error

28th Mar 2019, 12:12 AM

Moisés Cabezas Tincuri

0 голосов

How to reset my username and password

25th Jul 2022, 11:42 PM

Haruna Owusu

0 голосов

I need a cod in c++that building the first step in compiler programing

17th Feb 2022, 2:33 AM

Onique Rolando

1 голос

how to program something take control of a computer and do specific job

28th Feb 2017, 9:16 PM

AlZahraa Raghd Muhialdeen

0 голосов

Where can I find Swift Documentation?

6th Nov 2016, 5:28 PM

zidman

Traduzir para a língua portuguesa

4 голосов

7 ответов

5th Aug 2016, 4:25 PM

‎‏‎‏‎Joe

javascript optionals

1 голос

optionals scripting-languages

4th Aug 2019, 3:15 PM

Vera Lucia evangelista Evangelista

Language choosing

1 голос

Why there are so many programming languages? Is there any language which is capable of everything?

25th Jul 2018, 7:13 AM

Harshpreet Singh

basics comments compiler optionals regular-expressions update

17 голосов

21 ответ

5th Oct 2018, 3:35 PM

Skarma

What's the difference between nil and null?

1 голос

Why do I get errors on Optional variable declaration?

15th Jun 2016, 4:52 PM

Alex Rauenzahn

0 голосов

How to make keys do certain things

11th Aug 2019, 3:54 AM

Jacob Schneider

0 голосов

Do u also got same error in the swift lesson 'optional'?

9th Aug 2018, 4:11 PM

gamer fox

error optionals swift

1 голос

Is it necessary to use JavaScript in our webpages or there is any relevant option other than this ?

12th Aug 2023, 4:38 AM

Aditya Shigwan

javascript optionals website

2 голосов

How do use the solo learn app?

31st Aug 2016, 4:01 AM

Henil Mamaniya

basics codeplayground comments optionals playground self-learning sololearn

7 голосов

11 ответов

8th Dec 2017, 10:09 AM

Mz.uÑpeŘfecŤ

Is there option to change language to other than english? Maybe I missed something.

optionals sets sololearn

1 голос

Is mathematics necessary in computer programming???

1st Aug 2017, 6:06 PM

Robert

math must optionals programming

5 голосов

Which one is more powerful : SVG vr. CANVAS

17th Jun 2017, 3:12 AM

Rachit Tripathi 😘

games graphics html optionals

1 голос

how to create a drop down list

12th Nov 2017, 4:41 AM

Rasul Kamolov

drag-drop html lists optionals selectors

1 голос

Random Music Playlist from DB

20th Aug 2016, 1:20 AM

Gajarajan K

db musicvideos mysql optionals php playlist youtube

6 голосов

Hello all! I'm wondering how to do the relevant tags thing thats here below . I wanna add something like this for my website

28th Jun 2018, 1:06 PM

jackisback

css front-end html javascript optionals selectors sololearn ui welcome

0 голосов

12 ответов

10th Jul 2018, 6:29 AM

Code Exchange Network

Will you update your courses or allow the creation of new ones? To: sololearn

c#meta nullable optionals swift ternary

3 голосов

C ++ application the name "DataStructures", which uses a structure (struct) named "Student" of multiple data, with elements:

24th Nov 2016, 8:53 PM

Gabriel

application c++elements menu optionals options print structs structure

0 голосов

5 ответов

25th May 2021, 1:44 AM

Marcos P.

Why vector, variant and any are not keywords?

any c++keywords optionals predefined-variables variables variant vector

0 голосов

Do you think there should be quiz/challenge option for SQL also?

3rd Oct 2020, 5:47 PM

Abhishek Dimri

challenges code optionals require sololearn sql

1 голос

what is the difference between using the optional and creating normal variable without assigning any value?

4th Aug 2017, 4:52 PM

Abdul Qadeer

constants let optionals swift var variable variables

1 голос

@SoloLearn - NIO and other past JDK 7 APIs?

7th Oct 2016, 1:00 AM

مصطفى دويدار

asynch closures functional futures lambdas nio optionals

1 голос