Joined May 2022
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20 Aug 2022
A Roadmap to become JAVA backend developer.
🧵👇
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3 Nov 2025
Try this 🤔
Integer a = 100; Integer b = 100;
System.out.println( a == b) // true
Integer x = 200; Integer y = 200; // false
you know why?! #Java #Programming 👇
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3 Nov 2025
The Tricky Part: == vs .equals()
This is where == gets tricky! == checks if two references point to the exact same object. For numbers in the pool, they often do. Outside the pool, even if values are identical, they're separate objects. Always use .equals() for value comparison
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3 Nov 2025
In Action
Integer num1 = 50;
Integer num2 = 50;
System.out.println(num1 == num2); // true (pooled!)
Integer num3 = 150;
Integer num4 = 150;
System.out.println(num3 == num4); // false (not pooled!)
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3 Nov 2025
Ever wonder why "hello" == "hello" is true, but new String("hello") == new String("hello") is false? Let's unravel this 👇
The String Pool
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3 Nov 2025
Classic Gotcha: `==` vs `.equals()`
Comparing user input (often dynamically created Strings) with constant literals using == will likely fail! ❌ Always use .equals() for content comparison. Remember: == for reference, .equals() for value.
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3 Nov 2025
Key Takeaways:
Java's String Pool reuses literals.
new String() always creates new objects.
intern() forces pooling.
== vs .equals() is crucial for comparison
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7 Aug 2023
Q: How do you share variable in thread life cycle?
A: Java ThreadLocal class allows the storage of data that is specific to each thread separately.
It is often used to implement thread-specific context or to avoid synchronisation for thread-local data
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5 Aug 2023
What do you think most difficult/complex topic in JAVA ?
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3 Aug 2023
6 Effective error handling in Java:
Discover the best practices and strategies to ensure smooth sailing in our Java applications! 🚀🔍
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3 Aug 2023
Handle Resource Cleanup with try-with-resources: Use try-with-resources when dealing with resources like as files or database connections to guarantee that resources are automatically closed at the conclusion of the block, limiting the possibility of resource leaks.
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3 Aug 2023
That's a wrap;
I hope you find this thread helpful
Share your Java coding best practises and experiences. Let's create a developer community devoted to writing code that's fun to work with! 🤝📷🚀
Thanks for reading.
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3 Aug 2023
6 Effective error handling in Java:
Discover the best practices and strategies to ensure smooth sailing in our Java applications! 🚀🔍
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