Java Lecture 9 – String Constructors & length() | isEmpty(), null Check, and Best Practices
0✳️ About the video
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Welcome to Java Lecture 9 of the C4Y Java Programming Series!
In this lecture, we go deeper into the String class — focusing on constructors and length handling.
🔍 Topics Covered:
00:00:00 Intro
• 00:00:35 Creating Strings using Constructors
• 00:01:26 Measuring string length with length()
• 00:02:47 Real-world usage of length validation
• 00:04:37 Handling empty and null strings
• 00:06:06 Understanding memory allocation (Heap vs String Pool)
00:07:02 Outro
💡 Learn how to safely manipulate and validate strings in Java — with real-life examples and output demos.
▶️ Full Java Playlist: https://www.youtube.com/playlist?list=PL1uhi2_UdvkAVpyo4m2OXCBGUYX7TUnRB
#JavaLecture9 #StringConstructors #JavaStrings #JavaTutorial #learnjavaonline
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