The Java Race Condition Catcher
Find and fix synchronization bugs in your application while you testvmlens.com Weiterstadt, DeutschlandJoined November 2015
When we test multi-thread Java we call the class under test by as many threads . Thomas Krieger has developed an open-source tool, vmlens, to make JUnit test of multi-threaded Java deterministic. Just take a look.
#mastermindcoding#java#multithreadedlnkd.in/e5HBZ_M
My Java Memory Model video playlist:
youtube.com/playlist?list=…
The Java Memory Model specifies the memory division between thread stacks and the heap and the visibility and instruction reordering guarantees of Java constructs like the synchronized and volatile keywords.
#Java
Software is sadly NOT a meritocracy. EVERYONE who makes it gets help from someone. Don’t be too proud to accept help or let a friend open a door for you, especially when you’re just starting.
ARM CPUs are coming to #Java. Amazon offers #cloud instances based on ARM-compatible processors. And there is now a new JEP to create an #OpenJDK port for Windows on ARM. @_thomaskrieger_ explains the differences between #ARM & x86 when we program in Java.
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ConcurrentHashMap: Call only one method per key
Each method of ConcurrentHashMap is thread-safe. But calling multiple methods from ConcurrentHashMap for the same key leads to race conditions.
vmlens.com/articles/cp/co…
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