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Interface và Abstract class

Hi everybody! Today, in today's lesson, we will talk about a very interesting topic in object-oriented programming. That is the difference between Interface and Abstract Class. When should we use Interface? When is Abstract Class the choice?

Jan 05, 2025 pm 09:00 PM

Java Interview questions for Freshers ()

Edited from: https://www.geeksforgeeks.org/java-interview-questions/ 1. Is Java Platform Independent if then how? Javac compiles the program into bytecode, which is stored in a .class file. This file can be executed on any operating syste

Jan 05, 2025 pm 07:48 PM

Understanding Java Iterators: A Deep Dive

When working with collections in Java, an Iterator plays a crucial role in traversing and processing elements efficiently. This blog explores the concept, utility, and implementation of iterators in Java, helping you leverage this tool to manage coll

Jan 05, 2025 pm 06:49 PM

Can You Force Garbage Collection in Java?

Forced Garbage Collection in Java: A Tricky UndertakingQuestion:Despite the existence of System.gc() and Runtime.gc(), which merely hint at...

Jan 05, 2025 pm 05:40 PM

How to Integrate JTextFields Over Active Drawing on a JPanel and Avoid Threading Issues?

JTextFields on top of active drawing on JPanel, threading problemsSwing offers a rich set of user interface elements that can be added to a...

Jan 05, 2025 pm 04:38 PM

Static vs. Non-Static Methods in Java: What's the Difference?

Understanding Static vs. Non-Static Methods in JavaIn Java, methods can be classified as either static or non-static (also known as instance...

Jan 05, 2025 pm 04:04 PM

Getting Started with Spring Boot or .NET Developers Part Building a Product Entity CRUD Application in Spring Boot

After exploring the basics of Spring Boot 3 in the previous post, let’s dive deeper by implementing a Product entity CRUD (Create, Read, Update, Delete) operation. Along the way, we’ll compare core Spring Boot concepts with their .NET Core counterpar

Jan 05, 2025 pm 03:13 PM

Why Does My JTable Show Duplicate Rows Despite Correct Data in My Data Model?

Populating JTable with Duplicate ValuesDespite having a correct data model with appropriate data, populating a JTable may result in each row...

Jan 05, 2025 pm 03:05 PM

How to Efficiently Extract Pixel Data as an Integer Array from a BufferedImage in Java?

How to Extract Pixel Data as an Integer Array from an Image in JavaBufferedImage provides various methods for working with pixel data. However,...

Jan 05, 2025 pm 02:18 PM

SpringBoot Web Service - Part Create Repository

Creating a Repository on GitHub In this post, we'll walk through the steps to create a repository on GitHub, whether you're a beginner or just need a refresher. Step 1: Create a GitHub Account (If You Don't Have One) If you don't al

Jan 05, 2025 pm 02:10 PM

How Can I Effectively Resolve Dependency Conflicts in My Apache Spark Applications?

Resolving Dependency Problems in Apache SparkApache Spark dynamically constructs its classpath, increasing its susceptibility to dependency...

Jan 05, 2025 pm 01:58 PM

How Does Object Serialization Convert Objects into Byte Streams for Storage and Transmission?

Understanding Object SerializationObject serialization is a valuable technique in computer programming that enables the seamless conversion of...

Jan 05, 2025 pm 01:18 PM

How Can Selenium 4 Efficiently Handle Shadow DOM Element Interactions?

Navigating Shadow DOM in Selenium AutomationAutomating shadow DOM elements with Selenium can be a challenging task, especially if the elements are...

Jan 05, 2025 am 11:57 AM

Optimizing Serverless Lambda with GraalVM Native Image

Introduction Following the development of a scalable email-sending service using AWS SES, Spring Boot, and AWS Lambda, I set out to optimize its performance. The focus was to address the cold start latency and memory usage inherent to Java appl

Jan 05, 2025 am 11:49 AM