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Tech Enthusiast😉 | #Coding | #Python | #Java | #cplusplus | #SoftwareEngineering | #TechLife | #Developer | Keep pushing the limits 💛

[Ctrl Plus Code @CtrlPlusCode]

Looping through a Java list twice to get two different results?

Use Collectors.teeing() (Java 12+). It acts like a T-pipe for streams: splits one dataset into two separate calculations (like Min & Max), then merges them at the end.

One pass. Clean code. ☕️
#CtrlPlusCode #Java

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Still writing 50 lines of Java boilerplate just to hold data?

Java Records fix this in one line
Behind the scenes, you instantly get: • Constructor • Getters • toString() • equals & hashCode

Immutable & clean.
#CtrlPlusCode #Java #Coding

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@techbromemes Java 🔥

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Java trick seniors love ☕️💛

try-with-resources isn't just for files. Use it to auto-reset any state.

Implement AutoCloseable, put cleanup in close(), and let Java handle the rest. It's guaranteed to run even if your code crashes. Bye, messy finally blocks!

#CtrlPlusCode #Java

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@PratikSinhatwt Agreed, @MicrosoftEdge is better.

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Interesting 🤔

[John Doe @DoeOnChain]

the CEO of NVIDIA just said the PC you use today will be gone, replaced by an AI supercomputer that lives in your house

Jensen Huang stood on stage holding the machine and said it becomes less like a computer and more like R2-D2, a thing in your home that just does work for you all day

he put it bluntly, this is as big as the day the phone became the smartphone

and the wild part is the hardware to do it already exists and ships this year

here is what he actually unveiled:

> a desktop that runs a one trillion parameter AI model locally, 768GB of memory, sitting by your desk

> agents that run 24/7 with no meter, no cloud bill, no rental, doing work while you sleep

> NVIDIA and Microsoft rebuilding the PC from the ground up for the first time in 40 years

> a full lineup, from a $249 chip to enterprise monsters, and almost nobody knows which one they actually need

the hype is going to push everyone toward the biggest most expensive machine

i wrote the honest breakdown, every NVIDIA AI box, what each really does, the real math, and which one is actually yours

the full guide is in the article below

[Ctrl Plus Code @CtrlPlusCode]

String Compression 💛
The Goal: Implement a method to perform basic string compression using the counts of repeated characters.

For example, the string aabcccccaaa would become a2b1c5a3.

Time Complexity: O(n + k)

#CtrlPlusCode #Java

[Ctrl Plus Code @CtrlPlusCode]

Java Threads — everything you need to know 🧵

Concurrency is where most Java devs
make silent, hard-to-debug mistakes.

Let's break it down.
👇

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Java Microservices — what you actually need to know 🧵

Not just splitting a monolith.
It's about independent deploy, scale, and failure.

Each service owns its data, its logic, its lifecycle.

👇

[Ctrl Plus Code @CtrlPlusCode]

Most used Design Patterns in Java:

Singleton → one instance (watch out in multithreading)
Factory → delegate object creation
Builder → clean object construction
Observer → event-driven logic
Strategy → swap algorithms at runtime

Spring uses all 5 internally.
#CtrlPlusCode

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Spring AOP lets you inject logic (logging, security,
transactions) into methods WITHOUT touching the actual
code.💛

It wraps your bean in a proxy and intercepts calls.
#CtrlPlusCode #Spring

🧵 Thread on how it works 👇

[Ctrl Plus Code @CtrlPlusCode]

Python is for the prototype, but Java is what keeps the server from catching fire.🔥

Java is built to power the enterprise, while Python is optimized for speed of thought.

Just the syntax comparison is Unfair.

[Ctrl Plus Code @CtrlPlusCode]

Roughly 67% of Java developers choose Spring Boot for their web development projects.💛

#CtrlPlusCode #Java

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@Bean vs @Component in Spring.❤️‍🔥

@Component — You own the class, just annotate it and Spring auto-detects it via classpath scanning.

@Bean — You don't own the class, so you manually instantiate and register it inside a @Configuration class.

#CtrlPlusCode #Java #Coding

[Ctrl Plus Code @CtrlPlusCode]

Optional Class:
In Java 8, the Optional<T> class was introduced in java.util to help avoid NullPointerException and make code more readable when dealing with values that may or may not be present💛

#CtrlPlusCode #Java #Coding

[Google @Google]

Gemini 3.5 Flash is built to help you execute complex, agentic workflows.

3.5 Flash rivals flagship models to deliver frontier performance for agents and coding, at the lightning speeds you expect from the Flash series.

[Ctrl Plus Code @CtrlPlusCode]

❤️‍🔥Stream vs Parallel Stream in Java:
->Sequential Stream A sequential stream processes elements one at a time on a single thread.
->Parallel Stream A parallel stream splits the data into multiple sub-streams and processes them concurrently across multiple CPU cores.
#CtrlPlusCode

[Ctrl Plus Code @CtrlPlusCode]

Setter Injection in SPRING.

When to use:
-> Dependency is truly optional (required = false)
-> Circular dependency workaround (rare)
-> Reconfiguring bean after initialization

#CtrlPlusCode #Java #Spring

[Ctrl Plus Code @CtrlPlusCode]

Three Types of Autowiring in Spring:

1. Field Injection ❌ (Not Recommended)
2. Constructor Injection ✅ (Recommended)
3. Setter Injection ⚠️ (Use Only for Optional Dependencies)

#CtrlPlusCode #Java #Coding

[Ctrl Plus Code @CtrlPlusCode]

Constructors Injection in SPRING.

Why it's best:
-> Fields can be final — immutable, thread-safe
-> Easy to unit test — just new OrderService(mockPayment, mockNotif)
-> Dependencies are explicit and visible

#CtrlPlusCode #Java #Spring

[Ctrl Plus Code @CtrlPlusCode]

Three Types of Autowiring in Spring:

1. Field Injection ❌ (Not Recommended)
2. Constructor Injection ✅ (Recommended)
3. Setter Injection ⚠️ (Use Only for Optional Dependencies)

#CtrlPlusCode #Java #Coding