Blog: java specialists |
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362 blogs
updated: 54 min. ago
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When are Strings deduplicated? How can we find out whether they are of any benefit in our application? How much does it cost in terms of CPU...
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The compareTo() function has three rules. Break any one of them and you might get an exception when you sort. In this newsletter we explore ...
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In today's puzzle, we want to sort a list of persons. It works in some versions of Java, but not in others. You need to figure out why.
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The Java Development Kit is filled with great examples of how design patterns can be used to make the Java code easier to maintain. But what...
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In our previous newsletter, we showed 14 typical questions that interviewers ask to find out if we know threading. Here are our model answer...
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Asking detailed threading questions during an interview is like asking a football player to prove that he can sing well. Not necessarily rel...
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Our lives are so busy, we sometimes forget to stop and smell the roses. Let's take a moment to look back at how far we have come in the last...
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Anonymous inner classes can be used effectively in Java 8 Streams to create tuples. See how this can improve our refactoring of old procedur...
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A well known exploit with maps is to create a lot of Strings as keys that all have the same hash code. In this newsletter we see how easily ...
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ConcurrentLinkedQueue's size() method is not very useful in a multi-threaded environment, because it counts the number of elements in the qu...
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