Blog: java specialists


286 blogs updated: 37 min. ago
Issue 268 - Puzzle: Is a Programmer a Person?
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.
13
06-03-2019 17:11:02 java specialists Beginners
Issue 267 - Performance Impact of Design Patterns
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...
21
18-02-2019 15:28:09 java specialists Beginners
Issue 266 - Threading Questions in Job Interviews (2/2)
In our previous newsletter, we showed 14 typical questions that interviewers ask to find out if we know threading. Here are our model answer...
4
12-02-2019 20:53:30 java specialists Beginners
Issue 265 - Threading Questions in Job Interviews (1/2)
Asking detailed threading questions during an interview is like asking a football player to prove that he can sing well. Not necessarily rel...
3
07-01-2019 15:07:10 java specialists Beginners
Issue 264 - 2018 Retrospective - Living Entrepreneurially
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...
4
19-12-2018 15:57:09 java specialists Beginners
Issue 263 - Anonymous Tuples
Anonymous inner classes can be used effectively in Java 8 Streams to create tuples. See how this can improve our refactoring of old procedur...
6
28-11-2018 18:15:21 java specialists Beginners
Issue 262 - How Java Maps Protect Themselves From DOS Attacks
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 ...
3
09-10-2018 16:23:57 java specialists Beginners
Issue 261 - Concurrent Queue Sizes and Hot Fields
ConcurrentLinkedQueue's size() method is not very useful in a multi-threaded environment, because it counts the number of elements in the qu...
4
20-09-2018 17:24:42 java specialists Beginners
Issue 260 - Java Is Still Free
Is the Java Ecosystem still safe and robust or should we move to a different language? Maybe Go or Python? In this newsletter we look at whe...
4
17-09-2018 18:54:29 java specialists Beginners
Issue 259 - Try-With-Resource in Plain Java
How would the plain Java code look for our try-with-resource constructs? Watch how 4 lines of code are expanded into 39 LOC and 170 bytecode...
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01-07-2018 22:54:27 java specialists Beginners


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