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Why Walmart Pre-Owned?

for additional details & specific condition qualifications.

Walmart Pre-Owned allows you to find previously owned, well-cared-for items from Walmart’s trusted & performance-managed sellers. Shopping Pre-Owned allows you to bring home the best-quality picks at even lower prices, in addition to extending the life of an item & reducing waste. Find your favorites & shop a range of conditions in every category.

Each Pre-Owned item listed comes from Walmart’s trusted performance-managed sellers, to ensure you get quality items.

Save even more on top brands & your most-loved items.

Don’t love it? Most items offer a 30-day* free return policy, for added peace of mind.

Shopping Pre-Owned helps in extending the life of an item & reducing waste.

 here

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Price Match Policy

Prices, terms, and availability may vary online, in stores, and in-app. Items ordered online may be available for pick up at store, shipping, or delivery. Some items may be available from Marketplace Sellers, who set their own prices, and are not eligible for price match. Items sold online by Walmart may be eligible for price match. See our

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Make these frames your own

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New! Style your frames with prescription or premium lenses for the perfect blend of fashion and function.

How do you want your frames?

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Frames only

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Custom lenses

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here

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Sell on Walmart

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Check with your vet before you order

Make sure you have approval from your vet to avoid a cancellation of your order.

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Select the box to claim the offer. Get Walmart Cash when you receive your items.

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Members save up to 15% when subscribing to items

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Save up to 35% on additional pairs

Terms & conditions

Purchase multiple pairs of eyeglasses (frame & prescription lenses) to get 20% off each additional pair of glasses after your first order. Multiple qualifying glasses must be purchased during a single online transaction. Qualifying purchases include: a complete pair of prescription eyeglasses (frame & prescription lenses) or an insurance order for a complete pair of glasses. Insurance benefits should be maximized on the first order (if applicable).

Discounts must be applied to qualifying orders that are of equal or lesser value. For 35% off, purchase a complete pair of sunglasses in addition to a second complete pair. Qualifying purchases include any prescription polarized or non-polarized sun lens & frame purchase. The least expensive pair(s) will receive the 35% discount.

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Java Websocket Programming, (Paperback)

<ul> <li>Java Websocket Programming, (Paperback)</li> <li>Author: McGraw-Hill Companies</li> <li>ISBN: 9780071827195</li> <li>Format: Paperback</li> <li>Publication Date: 2013-09-18</li> <li>Page Count: 256</li> </ul>

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Publisher's Note: Products purchased from Third Party sellers are not guaranteed by the publisher for quality, authenticity, or access to any online entitlements included with the product.Master Application Development with Java WebSocket Build dynamic enterprise Web applications that fully leverage state-of-the-art communication technologies. Written by the leading expert on Java WebSocket programming, this Oracle Press guide offers practical development strategies and detailed example applications. Java WebSocket Programming explains how to design client/server applications, incorporate full-duplex messaging, establish connections, create endpoints, handle path mapping, and secure data. You'll also learn how to encrypt Web transmissions and enrich legacy applications with Java WebSocket. <ul> <li>Develop Web applications using the Java WebSocket API</li> <li>Create and publish annotated and programmatic endpoints</li> <li>Manage the lifecycle events of WebSocket endpoints</li> <li>Maintain reliable connections across the endpoint lifecycle</li> <li>Manage synchronous and asynchronous messaging</li> <li>Define encoding and decoding strategies for complex messaging</li> <li>Configure message timeouts, size limits, and exceptions</li> <li>Map message paths and route incoming URIs to Web containers</li> <li>Secure data, authenticate users, and encrypt connections</li> </ul>

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Earn up to 5% cash back with OnePay CashRewards.

Publisher's Note: Products purchased from Third Party sellers are not guaranteed by the publisher for quality, authenticity, or access to any online entitlements included with the product.Master Application Development with Java WebSocket Build dynamic enterprise Web applications that fully leverage state-of-the-art communication technologies. Written by the leading expert on Java WebSocket programming, this Oracle Press guide offers practical development strategies and detailed example applications. Java WebSocket Programming explains how to design client/server applications, incorporate full-duplex messaging, establish connections, create endpoints, handle path mapping, and secure data. You'll also learn how to encrypt Web transmissions and enrich legacy applications with Java WebSocket. <ul><li>Develop Web applications using the Java WebSocket API </li><li>Create and publish annotated and programmatic endpoints</li><li>Manage the lifecycle events of WebSocket endpoints</li><li>Maintain reliable connections across the endpoint lifecycle</li><li>Manage synchronous and asynchronous messaging </li><li>Define encoding and decoding strategies for complex messaging</li><li>Configure message timeouts, size limits, and exceptions</li><li>Map message paths and route incoming URIs to Web containers</li><li>Secure data, authenticate users, and encrypt connections</li></ul>

Java Websocket Programming, (Paperback)

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