Things on this page are fragmentary and immature notes/thoughts of the author. Please read with your own judgement!
Guava is a high-quality general purpose Java opensource library mainly developed by Google. It has good immutable collection implementations which are preferred to Java's built-in immutable …
Things on this page are fragmentary and immature notes/thoughts of the author. Please read with your own judgement!
Stack, heap and off-heap are all memory that stored in a computer's RAM.
Stack is used for static memory allocation. Variables allocated on the stack are stored directly to the …
Things on this page are fragmentary and immature notes/thoughts of the author. Please read with your own judgement!
https://www.davideaversa.it/blog/kotlin-development-in-vscode/
https …
Things on this page are fragmentary and immature notes/thoughts of the author. Please read with your own judgement!
Thread dump: jstack jvm_pid >
Memory dump: jmap -dump:live,format=b,file=
Heap status: jmap -heap jvm_pid
GC status: jstat …
Use == (instead of the method Object.equals) to compare objects is a common and tricky mistake for beginner.
You cannot define an abstract static method. This is because "abstract" means that no functionality is implemented while "static" means that functionality exists even there is no object. The two conflict in concept.