Garbage Collection Java Interview Questions

What is the importance of the destroy() method in Servlet The destroy() method is called only once at the end of the life cycle of a servlet. This method gives your servlet a chance to close database connections, halt background threads, write cookie lists or hit counts to disk, and perform other such cleanup activities. … Read more

Explain in depth Garbage collector ? Garbage collection is the process of automatically freeing objects that are no longer referenced by the program. This frees the programmer from having to keep track of when to free allocated memory, thereby preventing many potential bugs. Thus making programmers more productive as they can now put more effort … Read more

What is the difference between final, finally and finalize final” is the keyword to declare a constant AND prevents a class from producing subclasses. “finally” is a block of code that always executes when the try block is finished, unless System.exit() was called. “finalize()” is an method that is invoked before an object is discarded by the … Read more

Garbage Collection Java Interview Questions – Set 03 Garbage Collection Java Interview Questions – Set 02 Garbage Collection Java Interview Questions – Set 01