Using Objects

Strings, wrapper classes, constructors, and method calls

This section contains 1 topic with 0 subtopics, 0 practice problems and 0 flashcards. Each topic includes comprehensive written notes, worked examples with detailed solutions, and interactive lessons for hands-on practice.

Topics Covered

• Strings & Objects — String class methods, object creation, constructors, null references, and wrapper classes

Click on any topic below to start studying. All materials are completely free.