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SSShreenibas Samalshreenibas.hashnode.devSep 16, 2025 · 8 min read

Java OPPS

🔹 Core OOP Concepts in Java Great question 👍 Let’s go step by step — OOPs (Object-Oriented Programming System) is not just a coding style, it’s a paradigm shift in programming. 🔹 1. What is OOPs? 👉 Object-Oriented Programming System (OOPs) is a ...

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TSThe Spidersthespiders.hashnode.devSep 15, 2025 · 10 min read

DQL Data Query Language

🔹 300 DQL Practice Questions (Topic-wise) 1️⃣ Basic SELECT & Projection → 30 Questions Display all employees. Show employee names and jobs. List distinct job titles. Display employee names and salaries with alias Employee_Name, Monthly_Salary. ...

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TSThe Spidersthespiders.hashnode.devSep 12, 2025 · 3 min read

📌 Java Arrays Class – Cheatsheet

The java.util.Arrays class provides static utility methods to work with arrays (sorting, searching, comparing, etc.). 🔹 1. Sorting Arrays.sort(array); // Sort entire array (ascending) Arrays.sort(array, fromIndex, toIndex); // S...

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TSThe Spidersthespiders.hashnode.devSep 11, 2025 · 5 min read

Maven Uses

What is Apache Maven? Apache Maven is an open-source build automation tool primarily for Java projects, extensible to other languages via plugins. It simplifies dependency management, compilation, testing, packaging, and deployment through a declarat...

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TSThe Spidersthespiders.hashnode.devSep 9, 2025 · 21 min read

Learing Path

7-Day Core Java Detailed Learning Plan Day 1: Java Basics & Operators Key Topics Introduction to Java What is Java? (Platform-independent, OOP, Secure, Robust, Portable) Java Versions (SE, EE, ME) Why Java is popular for Automation & Backend? ...

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TSThe Spidersthespiders.hashnode.devSep 9, 2025 · 2 min read

Create Rest API with Spring Boot

1. What is Spring Boot? Spring Boot is a framework built on top of the Spring Framework. It simplifies the process of creating production-ready Spring applications. Focuses on convention over configuration, meaning you need minimal configuration t...

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TSThe Spidersthespiders.hashnode.devSep 8, 2025 · 7 min read

Git & GitHub

Git & GitHub Cheat Sheet – What, Why, When, How 1. Git Basics 1.1 git init What: Initializes a new local Git repository. Why: To start version control in a project. When: When creating a new project from scratch. How: git init 1.2 git clone ...

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Java OPPS

DQL Data Query Language

📌 Java Arrays Class – Cheatsheet

Maven Uses

Learing Path

Create Rest API with Spring Boot

Git & GitHub