#core-java articles

MMMainStay Marketingmainstay.hashnode.dev4d ago · 3 min read

Mitigating Shadow IT: How to Identify and Map Rogue Spreadsheets Back into Core Enterprise APIs

Despite massive capital investments in top-tier enterprise software, IT architects frequently discover that mission-critical business processes are being run entirely outside of the official tech stac

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NPNikita Pawarjavastream.hashnode.devFeb 18 · 2 min read

Understanding Java Streams – A Beginner Friendly Guide

Java Streams were introduced in Java 8 and they completely changed how we process collections.Instead of writing loops, we can now write clean, readable, functional-style code.Let’s understand Streams step by step. What is a Stream? A Stream in Java ...

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PSPreethika Scodewithpreethi.hashnode.devJan 27 · 2 min read

Features of java

Some of the important features of java: 1.Platform Independent 2.Simple 3.Object oriented 4.Secure 5Robust 6.Multithread 7.Portable 8.High Performance Platform Independent Java program can run any system that has java virtual machine an...

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Cchanbashajavaeduacademy.hashnode.devDec 30, 2025 · 4 min read

Basic Sorting

Sorting Basics in Java : A Simple Example Sorting is one of the fundamental concepts in programming. It helps us arrange data in a particular order, like ascending or descending, which makes searching and analysing data easier. In Java, sorting can b...

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ABAkash Baisdeqode-interview.hashnode.devDec 19, 2025 · 6 min read

Deqode Interview Experience — On-Campus Hiring Process (Detailed)

Overview Deqode visited our campus for hiring developers, primarily for their R&D division (Deqode Labs). The overall process was elimination-based and tested problem-solving depth, core CS fundamentals, and practical understanding, not surface-level...

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TRTrinay Reddy Malireddytrinayreddy.hashnode.devDec 16, 2025 · 6 min read

How Java Actually Works: From Source Code to Execution

In the previous article, we discussed why Java exists and why it still powers large-scale backend systems like netflix even today. Before writing more code or learning frameworks, it is critical to understand how Java actually runs a program. Most de...

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TIThirupathi ITcore-java.hashnode.devNov 17, 2025 · 4 min read

Discover Why Core Java Online Training Is Ideal for Beginners in 2025

If you are planning to start a career in software development, one of the best decisions you can make is beginning with Core Java online training. As someone who has seen thousands of learners transform their careers, I strongly believe that Core Jav...

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APAbheeshta Pabheeshta-java.hashnode.devOct 21, 2025 · 4 min read

Java Series #0: Memory Management in Java

Every Java program runs inside the Java Virtual Machine (JVM) — a managed environment that handles memory allocation, execution, and cleanup automatically. But under the hood, this is a carefully designed architecture where memory is divided into dis...

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APAbheeshta Pabheeshta-java.hashnode.devOct 21, 2025 · 3 min read

Java Series #1: Core java

Platform Independence Java is platform-independent, meaning code written once can run anywhere. The source code (.java) is compiled into bytecode (.class), which runs on the Java Virtual Machine (JVM). The JVM translates bytecode into machine-spec...

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SCShritej Chavanjavawithshritej.hashnode.devOct 14, 2025 · 2 min read

Why the filename must match the public class name

The Java compiler and JVM need a clear way to find and load the correct class.When a class is declared as public, it means it can be used by any other class or program.So Java expects that: The public class name and the file name are the same. This...

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Mitigating Shadow IT: How to Identify and Map Rogue Spreadsheets Back into Core Enterprise APIs