Tutorials under 'Collections'

Using Wrapper Classes with Collections in Java

Learn how Java wrapper classes like Integer, Double, and Boolean work with collections. Explore autoboxing, unboxing, pitfalls, and best practices with examples

Autoboxing and Unboxing in Java Explained with Examples

Learn Java autoboxing and unboxing with real-world examples. Understand pitfalls, performance issues, wrapper caching, and best practices for clean code

Performance Implications of Autoboxing in Loops and Streams

Learn how autoboxing in Java affects performance in loops and streams. Explore pitfalls, memory costs, best practices, and real-world optimization strategies.

Comparable vs Comparator in Java: Differences, Use-Cases & Best Practices

Learn when to use Comparable or Comparator in Java, understand natural vs custom sorting, and see clear code examples with Collections.sort and Stream.sorted.