• String methods and manipulation
• String immutability
• StringBuilder and StringBuffer
• String comparison and searching

• String Methods: length(), charAt(), substring()
• Immutability: Strings cannot be changed
• StringBuilder: Mutable string class
• String Comparison: equals() vs ==

1. StringHandlingDemo.java - Example of string handling

1. Compile: javac StringHandlingDemo.java
2. Run: java StringHandlingDemo

1. Manipulate strings using various methods
2. Use StringBuilder for string concatenation

Next Day: Day 25 - Arrays Deep Dive