Arrays in Streams
With the introduction of the Stream API in Java 8, arrays seamlessly integrate into stream processing.
Java
/*package whatever //do not write package name here */ import java.io.*; class GFG { public static void main(String[] args) { int [] numbers = { 1 , 2 , 3 , 4 , 5 }; int sum = Arrays.stream(numbers).sum(); System.out.println(sum); // Output: 15 } } |
Understanding these facts about arrays provides a solid foundation for leveraging their power in Java programming. Arrays in Java are a foundational element of the language, offering a powerful mechanism for data storage and manipulation. Understanding the intricacies of arrays enhances a developer’s ability to write efficient and error-free code. Whether dealing with simple arrays or complex multi-dimensional structures, these 25 facts illuminate the diverse capabilities and nuances of arrays in Java.
25 Interesting Facts about Arrays in Java
Java arrays are the workhorses of many programs, offering a structured way to store and manipulate data. While arrays are a fundamental concept, there are intriguing facts that developers may not be aware of for Java Arrays. In this blog post, we’ll explore 25 interesting facts about arrays in Java, shedding light on their nuances and capabilities.
Table of Content
- 1. Zero-Based Indexing:
- 2. Fixed Size:
- 3. Primitive and Object Types:
- 4. Reference Variables:
- 5. Dynamic Initialization:
- 6. Array Copying:
- 7. Varargs and Arrays:
- 8. Arrays.asList():
- 9. Array Equality:
- 10. The Enhanced for Loop:
- 11. Cloneable Interface:
- 12. Arrays.deepToString():
- 13. Arrays.sort():
- 14. Parallel Array Sorting:
- 15. Jagged Arrays:
- 16. Memory Efficiency:
- 17. Array Initialization Shortcut:
- 18. Array Length Attribute:
- 19. ArrayDeque vs. Arrays:
- 20. Arrays.fill():
- 21. Garbage Collection:
- 22. Array Reflection:
- 23. Arrays and Generics:
- 24. Array Performance:
- 25. Arrays in Streams:
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