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Collections

Read more about the article Access Collections Concurrently: Two Java Approaches

Access Collections Concurrently: Two Java Approaches

  • Post author:Noel Kamphoa
  • Post published:December 3, 2025
  • Post category:Core Java Tutorials/Collections/Java Intermediate

Learn how to access collections concurrently in Java using synchronized wrappers and built-in concurrent collections for safer, scalable code

Continue ReadingAccess Collections Concurrently: Two Java Approaches
Read more about the article Sort Collections With Comparable and Comparator

Sort Collections With Comparable and Comparator

  • Post author:Noel Kamphoa
  • Post published:November 29, 2025
  • Post category:Core Java Tutorials/Collections/Java Intermediate

Learn how to sort collections in Java using Comparable and Comparator, and choose the right approach for clean and efficient ordering.

Continue ReadingSort Collections With Comparable and Comparator
Read more about the article Using Iterators and the for-each Loop Safely

Using Iterators and the for-each Loop Safely

  • Post author:Noel Kamphoa
  • Post published:November 26, 2025
  • Post category:Core Java Tutorials/Collections/Java Intermediate

Learn safe Java iteration with iterators and the for-each loop while avoiding common errors like ConcurrentModificationException.

Continue ReadingUsing Iterators and the for-each Loop Safely
Read more about the article The Comparator Interface in Java

The Comparator Interface in Java

  • Post author:Noel Kamphoa
  • Post published:November 24, 2025
  • Post category:Core Java Tutorials/Collections/Java Intermediate

Learn how the Comparator interface enables custom sorting in Java with examples for TreeSet, TreeMap, and PriorityQueue

Continue ReadingThe Comparator Interface in Java
Read more about the article The Comparable Interface in Java

The Comparable Interface in Java

  • Post author:Noel Kamphoa
  • Post published:November 20, 2025
  • Post category:Core Java Tutorials/Collections/Java Intermediate

Understand the Comparable interface in Java and learn how natural ordering and compareTo improve sorting and object ordering.

Continue ReadingThe Comparable Interface in Java
Read more about the article Queue Implementations in Java: A Comparative Analysis

Queue Implementations in Java: A Comparative Analysis

  • Post author:Noel Kamphoa
  • Post published:June 26, 2025
  • Post category:Collections/Core Java Tutorials/Java Intermediate

Learn about Java Queue implementations, including LinkedList, PriorityQueue, ArrayDeque, and concurrent queues.

Continue ReadingQueue Implementations in Java: A Comparative Analysis
Read more about the article ArrayDeque: Internal Structure, Performance, and Use Cases

ArrayDeque: Internal Structure, Performance, and Use Cases

  • Post author:Noel Kamphoa
  • Post published:June 26, 2025
  • Post category:Collections/Core Java Tutorials/Java Intermediate

Learn how ArrayDeque works in Java. Discover its internal structure, performance, and best use cases with code examples.

Continue ReadingArrayDeque: Internal Structure, Performance, and Use Cases
Read more about the article PriorityQueue: Internal Structure, Performance, and Use Cases

PriorityQueue: Internal Structure, Performance, and Use Cases

  • Post author:Noel Kamphoa
  • Post published:June 26, 2025
  • Post category:Collections/Core Java Tutorials/Java Intermediate

Learn how PriorityQueue works in Java. Understand its internal heap structure, performance traits, and real-world use cases with examples.

Continue ReadingPriorityQueue: Internal Structure, Performance, and Use Cases
Read more about the article Set Implementations in Java: A Comparative Analysis

Set Implementations in Java: A Comparative Analysis

  • Post author:Noel Kamphoa
  • Post published:June 24, 2025
  • Post category:Collections/Core Java Tutorials/Java Intermediate

1. Introduction The Set interface in Java, part of the Java Collections Framework, models the mathematical concept of a set—a collection of distinct elements. Unlike List, a Set does not…

Continue ReadingSet Implementations in Java: A Comparative Analysis
Read more about the article HashSet in Java: Internal Structure, Performance, and Use Cases

HashSet in Java: Internal Structure, Performance, and Use Cases

  • Post author:Noel Kamphoa
  • Post published:June 24, 2025
  • Post category:Core Java Tutorials/Java Intermediate/Collections

Learn how HashSet works in Java. Understand its internal structure, performance characteristics, and practical use cases.

Continue ReadingHashSet in Java: Internal Structure, Performance, and Use Cases
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nkamphoa Noel KAMPHOA @nkamphoa ·
24 Mar

Learn how to format numbers in Java using NumberFormat and DecimalFormat, including currency, percentages, and custom symbols.
https://nkamphoa.com/format-numbers-in-java/

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nkamphoa Noel KAMPHOA @nkamphoa ·
24 Mar

⚖️Your thoughts in the comments.
#Java #BackEnd #Programming #Coding

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