Development Archives

TOP 10 JVM Garbage Collection Interview Questions

Questions: Describe the Java garbage collection mechanism. What is GC? Why do we use GC? Advantages and principles of garbage collection, and describe two recovery mechanisms. What is the basic principle of the garbage collector? Can the garbage collector reclaim memory immediately? What’s the way to actively notify the virtual machine for garbage collection? What are the reference… Read More »

The difference between heap and stack in Java

Heap Java’s heap is a runtime data area, and objects of classes allocate space from the heap. These objects are created by instructions such as new and destroyed by the garbage collector. The advantage of the heap is that it can allocate memory space dynamically. It is unnecessary to tell the compiler how much memory space is needed… Read More »