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Ships within 48 hours · Estimated delivery Jul 13 - Jul 18
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Description
Java Performance Tuning, 2nd Edition"Performance has been an important issue for Java developers ever since the first version hit the streets. Over the years, Java performance has improved dramatically, but tuning is essential to get the best results, especially for J2EE applications. You can never have code that runs too fast. Java Peformance Tuning, 2nd edition provides a comprehensive and indispensable guide to eliminating all types of performance problems. Using many real life
"Performance has been an important issue for Java developers ever since the first version hit the streets. Over the years, Java performance has improved dramatically, but tuning is essential to get the best results, especially for J2EE applications. You can never have code that runs too fast. Java Peformance Tuning, 2nd edition provides a comprehensive and indispensable guide to eliminating all types of performance problems. Using many real-life examples to work through the tuning process in detail, JPT shows how tricks such as minimizing object creation and replacing strings with arrays can really pay off in improving your code's performance. Tuning J2EE applications bears many similarities to tuning J2SE apps, but important and specific considerations apply. For this reason, Java Performance Tuning, Second Edition includes four new chapters: a new chapter on J2EE application tuning in general followed chapters on tuning JDBC, servlets and JSPs, and EJBs. Java Performance Tuning offers common-sense advice about what to tune and what to leave alone, emphasizing techniques that provide big performance gains with minimal code restructuring. It gives you crucial guidance that helps you tune without destroying your program's architecture. Blindly changing things in an effort to make a program run faster is a great way to create buggy, unmaintainable code. Java Performance Tuning teaches you to work efficiently and effectively, resulting in code that is robust, maintainable, and fast. Java Performance Tuning, Second Edition shows you how to:Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
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4.7 ★★★★★
Based on 902 reviews
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Product Reviews
★★★★★ 3
Face sun screen
Size: 2.5 Fl Oz (Pack of 1)
This works well as far as UV protection although it does not rub in very well. It leaves your face white.
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Reviewed in the United States on April 1, 2026
★★★★★ 5
The best for sensitive skin and sensitive noses
Style: SPF 50, Size: 5 Fl Oz (Pack of 1)
This is the absolute best sunscreen I have found for my super reactive sensitive skin. I have never had any issues with this sunscreen and it prevents sunburn well. I am also super sensitive to smells and this doesn’t smell like anything to me. It gives a really pretty glow to your skin as an added bonus.
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Reviewed in the United States on April 13, 2026
★★★★★ 5
Don't leave home without it!
Style: SPF 50, Size: 10 Fl Oz (Pack of 1)
This sunscreen has been a lifesaver for me. I'm an avid kayaker, have a very fair complexion and hate wearing hats, so I'd be toast (literally) without this. I'm also now allergic to fragrance and several commonly used preservatives, so to find that this sunscreen has no fragrance and none of the suspect additives was a joy. It goes on lightly, rubs in easily and seems to really hold up protecting my skin for 2-3 hour trips on the lake. I never leave home without it. The only drawback I have is that it's sometimes cumbersome, or difficult to get the top to line up correctly in order to spray it and it can be unwieldy trying to do this with one hand. I haven't found anything better, and really appreciate that it's available and not at an outrageous price either.
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Reviewed in the United States on March 13, 2026
★★★★★ 1
spray top lids fail after a few uses
Style: SPF 50, Size: 10 Fl Oz (Pack of 1)
This sunscreen is awesome. It stays on for a long time, even when swimming. It has almost no odor, which is great if you don't want to walk around with that summer sun screen smell. The reason I am giving this only one star is because of the canister. The spray top lid is very hard to press, and only works a few times before completely jamming, rendering the product useless. This is a huge problem if you are taking it on a river float, or camping where you can't just run out to the store and get another one if it stops working. I love this sunscreen and I really wish I could make it my summer go to, but have had so many of the lids malfunction that I will never buy this product again. It is expensive for sunscreen. They should figure out their packaging.
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Reviewed in the United States on August 2, 2025
★★★★★ 5
a fave
Style: SPF 50, Size: 5 Fl Oz (Pack of 1)
Disappears into skin quickly, feels like nothing, looks like nothing (no white residue, streaks or discoloration). The fragrance free truly is. I reapply after a couple of hours or prolonged time in salt water even though I don't _feel_ like I need to (I'm not naturally pale) and have not had any burns since I started using Alba products, whereas before, I got occasional burns even from the better, former favorite, brands. I love this brand and the products are prominent on my subscribe and save lists.
Once in a blue moon, the spray lid sticks and the can goes in the trash. BUT this happens once in a blue moon with just about every brand I've tried.
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Reviewed in the United States on July 6, 2023
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