✳️ About the video
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Welcome to Java L10 – String Manipulation & Comparison | BCS 403 | AKTU @c4yourselfyt
In this lecture, we explore powerful string manipulation and comparison techniques used in real-world Java applications and coding interviews.
⏱️ Timestamps & Topics Covered:
00:00:00 – Intro
00:00:41 – Extracting Characters from a String
00:03:32 – Extracting First and Last Characters
00:05:05 – Modifying Strings – Changing Case
00:11:06 – Replacing Characters in a String
00:12:48 – Removing Extra Spaces from a String
00:14:14 – Reversing a String using a Loop
00:15:20 – Common Mistakes in String Extraction and Modification
00:16:47 – Comparing String using “==” vs equals()
00:17:48 – Case-Insensitive Comparison
00:18:33 – Comparing Strings Lexicographically (compareTo())
00:21:34 – Checking if a String Starts or Ends with a Specific Text
00:22:10 – Searching for a Substring using contains()
00:22:52 – Find the position of a substring (indexOf() & lastIndexOf())
00:24:31 – Common Mistakes with String Comparison and Searching
00:25:06 – Outro
💡 From case conversion to substring search and comparison techniques, this lecture covers everything you need to confidently handle string-based logic in Java.
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