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Explaining various ways to iterate through HashMap is a frequent coding challenge faced by Java developers

This post describes how to convert a String to an int in Java

We need to have a uniqueness in values to obtain the key using value from HashMap. Iterating through the HashMap is one way to receive them.

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In this questions talks about How to populate Spring @Value during Unit Test in Java

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POST request with path variables? `@PathVariable` in a `@PostMapping`… Think you've got it? Think again. Uncover the unexpected behavior.

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admin Feb 22, 2025

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Radio button group with identical IDs? jQuery can't handle it... or can it? Find the elegant workaround.

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admin Feb 26, 2025

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Lost a crucial file? No idea when or where it vanished? Git's history holds the key. Can you crack the code to find its lost commits?

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admin Feb 08, 2025

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Bypass Spring's `@Value` in unit tests? Inject your own values directly into your bean for clean, properties-file-free testing. Learn how!

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admin Feb 08, 2025