Tag: collections

  1. Java interview for developer. Collections. Part 3 - Maps and Trees

    This is the last part of java interview questions for collections. Here is part one and two. 13. In what case you could "lost" element in HashMap? This question is tricky, it's simple to understand, but it is not so transparent at the first glance. Let's imagine a case, when…

    on java collections map hash map treemap set treeset

  2. Small picture about data structures

    When I've posted the first time my article Java interview for a developer. Collections. Part 2 - Maps. there was a huge discussion about the fact that the worst time complexity of add, remove and search operations are equal to lg N, if hash-function steady placed elements in buckets. A…

    on java collections interview map hash map

  3. Java interview for developer. Collections. Part 2 - Maps.

    This is new part of java interview questions. Here is part one. 7. How does HashMap work? I suppose this is the second most popular question on Java collections. I even don't remember interview, where I wasn't asked for this question. Let's look on HashMap briefly. HashMap consists of "buckets"…

    on java collections interview map hash map

  4. Java interview for developer. Collections. Part 1 - Lists

    About a year ago I've started searching new job and have to visit lots of interviews. I was looking for Java developer work, so most questions were related to the Java language and JVM. The most popular questions were related to Java collections. It was lucky for me that I…

    on java collections interview job list linked list array list