A quick start guide to using Spring Data JPA with Maven including join examples, one to many, find by embedded object, json columns and more.
The JIT Compiler in Java including what is the JIT compiler, how the JIT compiler works, JIT compiler optimizations and more.
The "Could Not Find or Load Main Class" error including solutions, fixes, when are classes loaded in Java, the class loading mechanism in Java, and Java class loading order.
Garbage collection in Java including understanding what is garbage collection, why garbage collection, how garbage collection works in Java, force garbage collection, monitoring garbage collection and interview questions.
Java Heap vs Stack including examples, java memory management, garbage collection, why the heap, and key differences.
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