What are some free downloadable books or articles on Java functions?
Where to find free Java Functions books and articles: Free books: Head First Java, 2nd Edition (Amazon) Java for Beginners (Udemy) Core Java Volume I - Fundamentals (Oracle) Free articles: Java - All About Functions ( TutorialsPoint) Using Functions in Java (GeeksforGeeks) Function in Java with Examples (Codecademy)
Where to find free Java function books and articles
Java functions are the key building blocks for writing powerful, reusable code. However, figuring out where to find free resources about Java functions can be confusing. This article will provide you with some of the best options for downloading free Java functions books and articles.
Free Book
- Head First Java, 2nd Edition: A comprehensive Java tutorial covering functions, classes, and objects. Available for free download on [Amazon](https://www.amazon.com/Head-First-Java-Kathy-Sierra/dp/0596009208).
- Java for Beginners: A beginner's guide to Java that covers the basics of functions. Available for free download on [Udemy](https://www.udemy.com/course/java-for-beginners/).
- Core Java Volume I - Fundamentals: A comprehensive guide to Core Java, including in-depth chapters on functions. Available for free download at [Oracle](https://docs.oracle.com/javase/7/docs/api/).
Free article
- Java - All About Functions: An article covering the basics of Java functions. Can be read at [TutorialsPoint](https://www.tutorialspoint.com/java/java_functions.htm).
- Using Functions in Java: A tutorial on how to use Java functions. Can be read at [GeeksforGeeks](https://www.geeksforgeeks.org/using-functions-in-java/).
- Function in Java with Examples: An article containing examples of Java functions. Can be read at [Codecademy](https://www.codecademy.com/en/learn/learn-java/modules/java-functions).
Practical case
The following is an example of a simple Java function that calculates the sum of two numbers:
public class SumFunction { public static int sum(int a, int b) { return a + b; } public static void main(String[] args) { int result = sum(5, 10); System.out.println("The sum is: " + result); } }
This function combines two Takes the integers a
and b
as parameters and adds them and returns them. In the main()
function, we call the sum()
function to calculate the sum of 5 and 10 and print the result to the console.
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