Remove K Digits | Remove K Digits LeetCode Solution Java | LeetCode 402

Remove K digits to make smallest number LeetCode Solution using Java Code. In this problem we have to Find the smallest number after removing k digits from the input number.
Given a non-negative integer num represented as a string, remove k digits from the number so that the new number is the smallest possible.
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Note:
The length of num is less than 10002 and will be ≥ k.
The given num does not contain any leading zero.
For example -
Example 1:
Input: num = "12345", k = 1
Output: "1234"
Explanation: Remove the digit 5 to form
the new number 1234 which is the smallest.
Example 2:
Input: num = "1432219", k = 3
Output: "1219"
Explanation: Remove the three digits 4, 3, and 2 to form
the new number 1219 which is the smallest.
Example 3:
Input: num = "10200", k = 1
Output: "200"
Explanation: Remove the leading 1 and the number is 200.
Note that the output must not contain leading zeroes.
Example 3:
Input: num = "10", k = 2
Output: "0"
Explanation: Remove all the digits from the number and it is left with nothing which is 0.
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[@tacituskilgore2258]

Your channel is totally underrated, keep up the good work, my friend, your content is classy!

[@ProgrammingTutorials1M]

Thanks, will do!

[@bikramasingh1590]

I must say this tutorial is simply amazing. Excellent work dude.

[@ProgrammingTutorials1M]

Thanks a ton!

[@UpYourHand]

Whoever is getting error just put this code at line no. 75
while(k>0){
st.pop();
k--; }

[@f3-faithfitnessfinance]

Amazing man!

[@ProgrammingTutorials1M]

Thanks!

[@aadil4236]

What if we have an input like -> 1000000000000123. Then what?

[@aakashchandwani293]

Remove the REMAINING elements from stack thing , can you explain again. Not clear on that part

[@aakashchandwani293]

Ahh.. got it . Bhai gajab hai yaar tu. What an explanation. Amazing you should have millions of subscribers.

[@ProgrammingTutorials1M]

Thank you very much.

[@saianushachodapaneedi7504]

upload source code..for checking my code once..im getting error

[@ProgrammingTutorials1M]

Sure, I'll do that. As i get the time i'll post the code on my website webrewrite.com/ and share the link. Meanwhile you can check other tutorials code here.

[@PewarDesi]

This code is directly taken from Nick White..... Plz make your own Algo

[@ProgrammingTutorials1M]

Hi Sanjeev, It is not taken from there. This is the straight forward approach anybody can think for solving this problem.

[@rubaborithm1911]

ummm Nick white too have taken it from somewhere. There is basic rules that every one follow on these type of standard question.I have seen nick white code and one girl jayati tiwari.Both people show same code.Actually when you go to leetcode hint nah it throws same code.Just wrote because the channels main aim is to make people understand by any means .peace out.