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- Item - Return empty collections or arrays rather than null
- Do not return null: Methods that return null in place of empty collections or arrays require additional client handling to avoid exceptions. Problems with null: Clients need to add redundant checks (if to check for null). THE
- javaTutorial 590 2024-09-13 06:19:06
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- Leetcode : Product Of Array Except Self
- This problem looks simple to solve in linear time and space. This problem builds on some of the fundamental concepts of arrays. Array traversals. Prefix and Suffix sum. Companies that have asked this in their coding interview are Facebook, Amazo
- javaTutorial 360 2024-09-13 06:17:36
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- Understanding OOP in Java: Like Learning to Drive a Car
- If you've ever heard the term OOP (Object-Oriented Programming) and thought it sounded like something straight out of a sci-fi movie, you're not alone. But don’t worry, it’s not that complicated. ? Imagine learning to drive a car. Once you know the b
- javaTutorial 671 2024-09-12 22:16:02
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- Java JVM, JRE and JDK
- JVM (Java Virtual Machine ) JRE(Java Runtime Environment) JDK(Java Development Kit) For Java to run on your computer you need some software right , So you install JDK , it is a development kit as the name suggests it has a kit to run Java , just lik
- javaTutorial 1051 2024-09-12 22:15:31
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- Spring Boot: How to Solve Cross-Origin Issues
- Cross-Origin Issue Description You might encounter the following error message: been blocked by CORS policy: No 'Access-Control-Allow-Origin' header is present on the requested resource This error indicates that a request to a certain address
- javaTutorial 711 2024-09-12 22:15:02
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- array[]: a special class managed internally by the JVM itself
- The first way we are all introduced to the study of data structures in Java (and other languages) is through arrays. In Java, an array is a class, an object, a child of Object (as all classes are). However, it is a class with
- javaTutorial 805 2024-09-12 20:16:10
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- Building REST APIs in Java: Are you a beginner to Java?
- Hey, Dev.to community! ? Welcome to a beginner-friendly guide to Building REST APIs in Java. Whether you’re just getting started or want to solidify your understanding, this article will walk you through the basics, providing easy-to-follow explanat
- javaTutorial 401 2024-09-12 18:08:39
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- Building REST APIs in Java: Are you a beginner to Java?
- Hey, Dev.to community! ? Welcome to a beginner-friendly guide to Building REST APIs in Java. Whether you’re just getting started or want to solidify your understanding, this article will walk you through the basics, providing easy-to-follow explanat
- javaTutorial 253 2024-09-12 18:08:37
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- Add a compute column to a csv file #eg40
- The csv file below stores assessment parameters: Use Java to do this: Compute Final Grade (the 4th column) value according to the existing 3 columns using the formula Lab Exercise * 30% Long Quiz * 30% Alternative Assessment * 40%, and write th
- javaTutorial 353 2024-09-12 16:18:09
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- TechEazy Consulting Launches Comprehensive Java, Spring Boot & AWS Training Program with onth Free Internship
- TechEazy Consulting is excited to announce the launch of our comprehensive training program designed for beginners, freshers, and professionals looking to switch to backend development with Java, Spring Boot, and AWS. This 4-month paid training prog
- javaTutorial 697 2024-09-12 16:18:01
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- Writing Multi-threaded Applications in Java: A Comprehensive Guide
- In the world of software development, efficiency and speed are paramount. As applications grow in complexity and the amount of data they need to process increases, it becomes essential to leverage the capabilities of modern multi-core processors. Thi
- javaTutorial 1078 2024-09-12 14:18:02
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- Burlando o @Async do Spring
- It is common when building applications using Spring to use the @EnableAsync annotation to enable asynchronous execution and with the help of @Async on the methods, you can easily make them asynchronous. @Async basically has two rules
- javaTutorial 1199 2024-09-12 10:21:00
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- Spring Boot: The Revolution in Java Application Development
- If you develop in Java, you may have already heard of Spring Boot. But if you don't know it yet, get ready to discover one of the most powerful and practical tools that revolutionized the way of creating Java applications! What is Spring Boot? The Spring
- javaTutorial 1145 2024-09-12 10:20:30
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- Dockerizing your Java Spring Boot application with Maven, along with a PostgreSQL database
- Dockerizing a Spring Boot application involves creating a Docker image that contains your application and its dependencies. This allows you to package your application in a way that it can be easily shared and run on any machine with Docker installed
- javaTutorial 826 2024-09-12 10:19:07
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- ays to Prevent XSS Attacks: A Comprehensive Guide
- 1. What is XSS? XSS, or Cross-Site Scripting, is a type of security vulnerability found in web applications. It allows attackers to inject malicious scripts, typically JavaScript, into web pages viewed by other users. This can lead to unautho
- javaTutorial 1218 2024-09-12 10:17:10