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Learn how Java's substring method works and how to get exactly the part of a String you want! In this video, we'll explore ...

In this video, we solve the Longest Substring Without Repeating Characters problem using Java. Given a string like abcabcdabc, ...

In this video, we solve the LeetCode problem "Longest Substring Without Repeating Characters" using Java. ✓ Sliding Window ...

Master the Sliding Window technique with this beginner-friendly guide to the "Minimum Window Substring" problem! ✨ In this ...

Learn how to solve the 'Longest Substring with At Most K Distinct Characters' problem using the efficient Sliding Window ...

Learn how to solve the 'Permutation in String' problem (LeetCode 567) using the efficient Sliding Window technique! In this ...

Master the Sliding Window technique for coding interviews! In this video, we break down one of the most popular algorithmic ...

charAt( ), indexOf( ), lastIndexOf( ) & length( ) charAt(), length(), equals() - substring(), toUpperCase(), trim() - contains(), ...

Java Internship Program | Class 11 | Batch Dec 2025 In Class 11, we explore one of the most important and frequently used ...