What is array and arraylist in java?
Is it possible to write static method in abstract class? justyfy your answer?
What is aggregation?
What are three ways in which a thread can enter the waiting state in java programming?
Is java owned by oracle?
If I have 1000 objects and my requirement is to sort them quickly, then which collection would you recommend and why?
What is difference between jdk,jre and jvm?
How do you initialize an arraylist in java?
What is the use of singleton class?
what is abstract method with example?
Can we force the garbage collection to run?
Which is better stringbuffer or stringbuilder?
Is java util regex pattern thread safe?