Explain java heap space and garbage collection?
Is it safe for adding 10,00,000 records/objects to HashMap?, i.e is it safe to add millions of objects to HashMap?
What is the null?
Can a class with private constructor be extended?
What is the purpose of garbage collection in java, and when is it used?
Is it possible to use Semaphore/ Mutex in an Interrupt Handler?
Difference between current previous versions of Java?
What is the % operator?
Hi can u pls tell me what is the use of marker interface. Iknow what is marker interface but what ability will the object get by implementing this.
When is an object subject to garbage collection?
How to re-get an object that is collected by garbage collector?
Is there any limitation of using inheritance?
Can we use a switch statement with strings?