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Welcome to CodeWithBK — your complete guide for ICSE Class 10 & ISC Class 12 Computer Science preparation.

If you’re preparing for:

📘 ICSE Computer Applications
📙 ISC Computer Science (Java)
📝 Board Exam Programs & Theory
📊 Scoring 95%+ in Computer

You’re in the right place.

🚀 What You’ll Find Here:

✔️ ICSE & ISC Board Paper Solutions
✔️ Step-by-step Java program explanations (Board format)
✔️ Important theory concepts explained simply
✔️ Common mistakes to avoid in boards

🎓 About Me

BITS Pilani, Pilani
B.E. (Hons.) CSE + M.Sc. (Hons.) Physics
ICSE 98.4% (Kanpur City Topper) | ISC 95.75%
9+ years teaching Computer Science
3000+ students mentored

📘 Complete Solved Board Papers (With Detailed Solutions):
🔗 ICSE Class 10: codewithbk.com/products/icse-class-10-computer-app…

🔗 ISC Class 12:
codewithbk.com/products/isc-class-12-computer-scie…

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6:39

Non-Primitive Data Types in Java | Java Tutorial for Beginners | Java 101 [2-4]

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Shared 2 days ago

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26:58

Primitive Data Types in Java | Java Tutorial for Beginners | Java 101 [2-3]

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Shared 2 weeks ago

51 views

11:39

Data Types in Java | Java Tutorial for Beginners | Java 101 [2-2]

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Shared 2 weeks ago

59 views

21:01

Variables in Java | Java Tutorial for Beginners | Java 101 [2-1]

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Shared 2 weeks ago

110 views

15:40

Tokens in Java | Java Tutorial for Beginners | Java 101 [1-2]

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Shared 3 weeks ago

86 views

21:12

First Java Program | Java Tutorial for Beginners | Java 101 [1-1]

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Shared 3 weeks ago

313 views

9:11

🎥 LeetCode 168 : Excel Sheet Column Title | Java Solution + Step-by-Step Explanation (Beats 100%)

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Shared 3 months ago

220 views

11:09

🎥 LeetCode 69 : Sqrt(x) | C++ Solution + Step-by-Step Explanation (Beats 100%)

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Shared 4 months ago

525 views

8:15

ICSE Class 10 Computer Applications | Solving Java Expressions with ++ and -- (Step-by-Step)

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Shared 6 months ago

264 views

9:39

ICSE Computer Applications Boards 2026 | One Shot Revision + Exam Prep Pack

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Shared 6 months ago

9.5K views

10:17

ICSE Class 10 Computer Applications | Check Strontio Number in Java | Full Explanation

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Shared 7 months ago

39 views

10:26

ICSE Class 10 Computer Applications | How to Solve Java Expressions with Multiple Operators

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Shared 7 months ago

153 views

23:21

ICSE Class 10 Computer Applications Board 2025 | Full Answer Key + Solved Paper Discussion

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Shared 7 months ago

292 views

9:57

ICSE Class 10 Computer Applications | Check Disarium Number in Java | Full Explanation

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Shared 7 months ago

113 views

8:08

ISC Class 12 Computer Science | Important Boolean Laws + Previous Year Questions Explained

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Shared 7 months ago

121 views

13:55

ICSE Class 10 Computer Applications | Important Math Functions in Java | min, max, cbrt,, random

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Shared 7 months ago

40 views

11:55

ICSE Class 10 Computer Applications | Important Math Functions | Java sqrt, pow, round, ceil, floor

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Shared 7 months ago

36 views

13:03

ISC 2026 Computer Science | 10 Years Solved Board Papers + Detailed Solutions

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Shared 7 months ago

604 views

14:27

ICSE 2026 Computer Applications – Website Tour | 10 Years Solved Papers + Model Answer Keys

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Shared 7 months ago

625 views

14:09

ISC Class 12 Computer Science 2025 Boards | Q8 Complete class Flipgram | Java Program

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Shared 9 months ago

135 views

13:52

ISC Class 12 Computer Science 2025 Boards | Q7 – Complete Class ‘Colsum’ | Java Program

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Shared 9 months ago

245 views

12:23

ISC Class 12 Computer Science 2025 Boards | Q6 – Complete Class ‘Perni’ | Java Program

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Shared 9 months ago

368 views

5:03

🎥 LeetCode 125 : Valid Palindrome | C++ Solution + Step-by-Step Explanation (Beats 100%)

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Shared 9 months ago

360 views

13:52

🎥 LeetCode 61: Rotate List | C++ Solution + Step-by-Step Explanation (Beats 100%)

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Shared 10 months ago

164 views

10:18

🎥 LeetCode 67: Add Binary | C++ Solution + Step-by-Step Explanation (Beats 100%)

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Shared 10 months ago

943 views

8:34

LeetCode 86 : Partition List | C++ Solution + Step-by-Step Explanation (Beats 100%)

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Shared 10 months ago

222 views

6:30

LeetCode 66: Plus One | C++ Solution + Step-by-Step Explanation (Beats 100%)

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Shared 10 months ago

1.5K views

6:11

LeetCode 48 : Rotate Image | C++ Solution + Step-by-Step Explanation (Beats 100%)

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Shared 11 months ago

100 views

24:08

LeetCode 17: Letter Combinations of a Phone Number | C++ Solution + Step-by-Step Explanation

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Shared 11 months ago

603 views

14:45

LeetCode 12: Integer to Roman | C++ Solution + Step-by-Step Explanation (Beats 100%)

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Shared 11 months ago

748 views

20:51

LeetCode 8: String to Integer (atoi) | C++ Solution + Step-by-Step Explanation (Beats 100%)

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Shared 11 months ago

4.6K views

21:28

LeetCode 2: Add Two Numbers | C++ Solution + Step-by-Step Explanation (Beats 100%)

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Shared 1 year ago

1K views

16:36

LeetCode 1: Two Sum | C++ Solution + Step-by-Step Explanation (Beats 100%)

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Shared 1 year ago

1.4K views

10:14

LeetCode 58: Length of Last Word | C++ Solution + Step-by-Step Explanation (Beats 100%)

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Shared 1 year ago

463 views

22:02

LeetCode 54 : Spiral Matrix | C++ Solution + Step-by-Step Explanation (Beats 100%)

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Shared 1 year ago

161 views

6:11

LeetCode 94: Binary Tree Inorder Traversal | C++ Solution + Step-by-Step Explanation (Beats 100%)

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Shared 1 year ago

489 views

19:11

LeetCode 75: Sort Colors | C++ Solution + Step-by-Step Explanation (Beats 100%)

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Shared 1 year ago

105 views

14:34

LeetCode 27: Remove Element | C++ Solution + Step-by-Step Explanation (Beats 100%)

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Shared 1 year ago

1.5K views

12:30

LeetCode 20: Valid Parentheses | C++ Solution + Step-by-Step Explanation (Beats 100%)

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Shared 1 year ago

487 views

12:22

LeetCode 88: Merge Sorted Array | C++ Solution + Step-by-Step Explanation (Beats 100%)

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Shared 1 year ago

1.6K views

12:00

ICSE Class 10 Computer Applications 2025 | Q2 Java Concepts & Theory Questions

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Shared 1 year ago

3.5K views

11:49

ICSE Class 10 Computer Applications 2025 Q1 | Java MCQ Solutions

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Shared 1 year ago

1.2K views

7:29

ICSE Class 10 Computer Applications 2025 Q3 | Full Coding & Explanation | Create a class in Java

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Shared 1 year ago

1K views

6:43

ICSE Class 10 Computer Applications 2025 Q4 | Find NORM of 2D Array | Full Java Coding + Explanation

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Shared 1 year ago

1K views

6:21

ICSE Class 10 Computer Applications 2025 Q5 | Check Super String | Full Java Coding + Explanation

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Shared 1 year ago

669 views

7:42

ICSE Class 10 Computer Applications 2025 Q6 | Binary Search | Full Java Coding + Explanation

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Shared 1 year ago

712 views

6:43

ICSE Class 10 Computer Applications 2025 Q7 | Method Overloading in Java | Full Coding & Explanation

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Shared 1 year ago

603 views

10:20

ICSE Class 10 Computer Applications 2025 Q8 | Full Java Coding & Explanation

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Shared 1 year ago

563 views

20:57

LeetCode 7: Reverse Integer | C++ Solution + Step-by-Step Explanation (Beats 100%)

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Shared 1 year ago

324 views

13:41

Read a Full Line of Input in C | Custom Function | C Programming Tutorial

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Shared 1 year ago

135 views

17:27

LeetCode 6: ZigZag Conversion | C++ Solution + Step-by-Step Explanation (Beats 100%)

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Shared 1 year ago

1.7K views

17:22

LeetCode 3: Longest Substring Without Repeating Characters | C++ Solution | Step-by-Step Explanation

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Shared 1 year ago

1.2K views

17:47

LeetCode 21 – Merge Two Sorted Lists [C Solution] | Linked Lists in C

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Shared 1 year ago

1K views

12:29

LeetCode 19 – Remove Nth Node From End of List [C Solution] | Linked Lists in C

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Shared 1 year ago

186 views

25:07

LeetCode 92 – Reverse Linked List II [C Solution] | Linked Lists in C

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Shared 1 year ago

249 views

18:23

Reverse a Linked List | C Programming | Data Structures in C

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Shared 1 year ago

411 views

19:15

Free Memory of a Linked List | C Programming | Data Structures in C

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Shared 1 year ago

192 views

15:14

LeetCode 707 – Design Linked List [C Solution: add/get/delete] | Linked Lists in C

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Shared 1 year ago

392 views

22:24

Delete Node at Given Index in Linked List | C Programming | Data Structures in C

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Shared 1 year ago

25 views

8:23

Find Index of a Given Value in Linked List | C Programming | Data Structures in C

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Shared 1 year ago

48 views

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