Standard Library: String Class Methods

Learning Objective: Learn to use String class methods effectively for efficient string manipulation

Overview

For the string "Hello World", use multiple String class methods to retrieve and process information. Use length(), toUpperCase(), and substring() methods.

Specifications

• Get length of string "Hello World"
• Convert to all uppercase
• Extract first 5 characters
• Output each result

Output Format

Length: 11
UpperCase: HELLO WORLD
Substring: Hello