Blog: java specialists |
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225 blogs
updated: 28 min. ago
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Sorting a stream is easy. But what if we want the opposite: shuffling? We can shuffle a List with Collections.shuffle(List) . But how can we...
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Java 7 gave us a brilliant new class called Phaser, which we can use to coordinate actions between threads. It replaces both CountDownLatch ...
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Apparently Full GC is done in parallel in the Java 10 G1 collector. Or is it? In this newsletter we set out to discover the truth by dumping...
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Local variable type inference is finally here, but dangers lurk. We might encourage overly long methods and lose the benefits of interface a...
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We now look at why the best-case scenario for a getMethod() call is O(n), not O(1) as we would expect. We also discover that the throughput ...
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What is the best-case computational time complexity for finding a method inside a class via reflection? In this newsletter we do not answer ...
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We build a simple custom Spliterator to allow us to stream over dates to find how many times the 1st of January was on a Monday.
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Since Java 5, we have been able to create collections that would check at runtime that the objects added were of the correct type. But very ...
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Java 9 has changed the way that new programmers can be introduced to Java. No more "public static void main(String[] args)", but instead a b...
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Java 9 is more strict about what system internal classes we can use. So how can we use @Contended in Java 9? This article shows you how.
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