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@realNameHidden

realNameHidden

@realNameHidden·India·Joined October 2022

spring boot

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realNameHiddenrealnamehidden.hashnode.dev72 posts

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RrealNameHiddeninrealnamehidden.hashnode.dev·Aug 10 · 2 min read

I Was Asked This Apigee X Interview Question: What Are Environment Resources?

“What are Environment Resources in Apigee X, and when would you use them?” It sounds like an easy Apigee interview question. Until the interviewer follows up: “Okay, then what's the difference betwee

RrealNameHiddeninrealnamehidden.hashnode.dev·Jan 5, 2025 · 1 min read

@PreConstruct and @PostConstruct annotation Spring Boot Example

https://youtu.be/kyWZckKWoF4?si=CmpL3g-CtM3c4XtQ @PostConstruct: This method is called after the Spring bean (in this case, ExampleBean) has been created and all dependencies have been injected. It’s an ideal place to put initialization logic. @P...

RrealNameHiddeninrealnamehidden.hashnode.dev·Dec 8, 2024 · 3 min read

How does reduce() differ from collect() in Java streams?

The reduce() and collect() methods in Java Streams serve different purposes and operate at different levels of abstraction. Here’s a detailed comparison: 1. reduce() The reduce() method is used for reducing a stream of elements to a single result usi...

RrealNameHiddeninrealnamehidden.hashnode.dev·Sep 15, 2024 · 3 min read

Why is 1 == 1 is true but 1000 == 1000 is false When dealing with Wrapper Classes in Java?

For Explanation watch video https://youtu.be/5yk-1MoK3QY In Java, the behavior where 1 == 1 is true but 1000 == 1000 is false when dealing with wrapper classes can be surprising. This is due to how Java handles object comparison and the concept of ...

RrealNameHiddeninrealnamehidden.hashnode.dev·Jan 13, 2024 · 2 min read

How to generate QR Code Using Spring Boot

For Explanation watch video https://youtu.be/wWTNrcsbebc?si=MJ5jqZGh8RkO3KZj to generate QR we will use ZXing ZXing (“Zebra Crossing”) barcode scanning library for Java, Android QR code is used to store large amounts of data in a limited space Dire...