olemus
vaba põhi- või virtuaalmälu kontrollimatu kahanemine,
programmivigadest tingitud vabastamatajätmise tõttu
=
a situation where memory that is allocated by an object is not released when that object goes out scope

ülevaateid
https://en.wikipedia.org/wiki/Memory_leak

https://www.owasp.org/index.php/Memory_leak

https://stackify.com/memory-leaks-java/

https://stackify.com/java-memory-leaks-solutions/

https://www.toptal.com/java/hunting-memory-leaks-in-java