--- title: "#basics-of-java articles | Hashnode" description: "Explore 24 articles tagged #basics-of-java on Hashnode. Tutorials, guides, and how-tos from the community." url: "https://hashnode.com/tag/basics-of-java" --- Tag # #basics-of-java 24 posts · 0 followers [Syam Satish P](https://hashnode.com/@syamsatishp) · [Feb 8](https://hashnode.com/posts/the-array-chronicles-decoding-the-machinery-of-data/6988c305eecd1919a667b9d9) ### [The Array Chronicles: Decoding the Machinery of Data](https://blogsbysyamp.hashnode.dev/the-array-chronicles-decoding-the-machinery-of-data?utm_source=hashnode&utm_medium=feed) Array.prototype.forEach() : forEach() is a method of the Array object, which is an iterative method that executes a provided callBackFn function once for each element in an array in ascending-index order. forEach(callBackFn) forEach(callBackFn, thisA... 8 min read · [blogsbysyamp.hashnode.dev](https://blogsbysyamp.hashnode.dev/the-array-chronicles-decoding-the-machinery-of-data?utm_source=hashnode&utm_medium=feed) [AKASH S](https://hashnode.com/@Akashit) · [Jan 19](https://hashnode.com/posts/java-basics-to-interview-mastery-a-complete-beginner-to-advanced-guide/696e6a3ad067edc88d83f59c) ### [Java Basics to Interview Mastery: A Complete Beginner-to-Advanced Guide](https://fundamentalsofjava.hashnode.dev/java-basics-to-interview-mastery-a-complete-beginner-to-advanced-guide?utm_source=hashnode&utm_medium=feed) Learn Java basics, JVM internals, and core interview questions in one simple beginner-friendly guide. 5 min read · [fundamentalsofjava.hashnode.dev](https://fundamentalsofjava.hashnode.dev/java-basics-to-interview-mastery-a-complete-beginner-to-advanced-guide?utm_source=hashnode&utm_medium=feed) [Khelendra Kumar Thakur](https://hashnode.com/@kkt) · [May 8, 2025](https://hashnode.com/posts/core-javapart-9/681c69c4bf0c0fb9b5938d6c) ### [Core Java(Part-9)](https://pending-topic.hashnode.dev/core-javapart-9?utm_source=hashnode&utm_medium=feed) Access modifier For classes, there are only two access modifiers: public and default (no modifier). private is not allowed for top-level classes. Access modifiers control how much access you give to your variables, methods, or classes from other part... 9 min read · [pending-topic.hashnode.dev](https://pending-topic.hashnode.dev/core-javapart-9?utm_source=hashnode&utm_medium=feed) [Khelendra Kumar Thakur](https://hashnode.com/@kkt) · [Apr 27, 2025](https://hashnode.com/posts/core-javapart-7/680de4225db465eb42d517bf) ### [Core Java(Part-7)](https://pending-topic.hashnode.dev/core-javapart-7?utm_source=hashnode&utm_medium=feed) Content .Typecasting .Abstract .final .this keyword .super keyword Typecasting Forcing one type to behave like other type. You convert one datatype to another. You have a big glass of water,but your small bottle can hold only a little water.So, you p... 5 min read · [pending-topic.hashnode.dev](https://pending-topic.hashnode.dev/core-javapart-7?utm_source=hashnode&utm_medium=feed) [Khelendra Kumar Thakur](https://hashnode.com/@kkt) · [Apr 27, 2025](https://hashnode.com/posts/core-java-part-6/680dac15ecb2b0fb9fdeecf0) ### [Core Java(Part-6)](https://pending-topic.hashnode.dev/core-java-part-6?utm_source=hashnode&utm_medium=feed) Content .OOPs(Object Oriented Programming Language) .Inheritance .Encapsulation .Polymorphism .Abstraction .Constructor What is OOPs ? Object-oriented programming(OOP) is a computer model that organize the code into objects rather the functions. What... 9 min read · [pending-topic.hashnode.dev](https://pending-topic.hashnode.dev/core-java-part-6?utm_source=hashnode&utm_medium=feed) [Khelendra Kumar Thakur](https://hashnode.com/@kkt) · [Apr 26, 2025](https://hashnode.com/posts/core-javapart-5/680c6c05929b8d7064de6d32) ### [Core Java(Part-5)](https://pending-topic.hashnode.dev/core-javapart-5?utm_source=hashnode&utm_medium=feed) Content 1.Methods .Predefined methods .Userdefined methods .Method without parameter without return type .Method with parameter without return type .Method without parameter with return type .Method with parameter with return type 2.String Methods Ty... 4 min read · [pending-topic.hashnode.dev](https://pending-topic.hashnode.dev/core-javapart-5?utm_source=hashnode&utm_medium=feed) [Khelendra Kumar Thakur](https://hashnode.com/@kkt) · [Apr 25, 2025](https://hashnode.com/posts/core-javapart-4/680b3d4a7b79d2398d253699) ### [Core Java(Part-4)](https://pending-topic.hashnode.dev/core-javapart-4?utm_source=hashnode&utm_medium=feed) Content .Operators .new .Conditionals loop Operators Operator is a symbols in java which tells to compiler to perform some operations. Operator is used to perform operations between operands. ExampleLame Explanation Arithmetic+ - \* / %Math wal... 5 min read · [pending-topic.hashnode.dev](https://pending-topic.hashnode.dev/core-javapart-4?utm_source=hashnode&utm_medium=feed) [Khelendra Kumar Thakur](https://hashnode.com/@kkt) · [Apr 25, 2025](https://hashnode.com/posts/core-javapart-3/680b1516b96afd23479a7cb8) ### [Core Java(Part-3)](https://pending-topic.hashnode.dev/core-javapart-3?utm_source=hashnode&utm_medium=feed) Content .Interpreter .Compiler .Assembler .Datatypes .JDK .Identifier .Interpreter Interpreter = Wo banda jo line-by-line Java ko samjhata hai ki kya karna hai.Jaise tumhara dost har step pe batata hai — “Ab yeh kar, ab yeh kar” Interpreter = Java ka... 5 min read · [pending-topic.hashnode.dev](https://pending-topic.hashnode.dev/core-javapart-3?utm_source=hashnode&utm_medium=feed) [Khelendra Kumar Thakur](https://hashnode.com/@kkt) · [Apr 24, 2025](https://hashnode.com/posts/core-java-part-2/6809ab8e6c884349fe36e56f) ### [Core Java(Part-2)](https://pending-topic.hashnode.dev/core-java-part-2?utm_source=hashnode&utm_medium=feed) Content . Package statement . import statement . Class declaration . Methods . Variables Package In java program can execute without package. Everything in java world is represent in form of entity/classes. How we write package in java program. Spark... 3 min read · [pending-topic.hashnode.dev](https://pending-topic.hashnode.dev/core-java-part-2?utm_source=hashnode&utm_medium=feed) [Khelendra Kumar Thakur](https://hashnode.com/@kkt) · [Apr 22, 2025](https://hashnode.com/posts/core-java/680720fc8da25ec8c63f4e80) ### [Core Java(Part-1)](https://pending-topic.hashnode.dev/core-java?utm_source=hashnode&utm_medium=feed) Basics 4 min read · [pending-topic.hashnode.dev](https://pending-topic.hashnode.dev/core-java?utm_source=hashnode&utm_medium=feed)