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Java Miscellaneous Tips

How to Better Understand Java HashMap

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How the HashMap class is internally implemented, its initial capacity and re-sizing and its behavior in a multi-threaded scenario.

Java Map: How to Get Sorted Keys

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The LinkedHashMap class implements the Map interface and preserves the order in which the keys are inserted into it.

Java Map: Preserve Insertion Order

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The LinkedHashMap class implements the Map interface and preserves the order in which the keys are inserted into it.

Java Double: Parse String with Comma

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Parsing strings into Double values can be tricky sometimes. We show in this post some common scenarios and how to deal with them.

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Recent Posts

  • How to Better Understand Java HashMap
  • Spring Cloud: How to Deal with Microservice Configuration (Part II)
  • Java Map: How to Get Sorted Keys
  • Spring Cloud: How to Deal with Microservice Configuration (Part I)
  • Java Map: Preserve Insertion Order

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