What is the default size of arraylist in java?
Can we increase size of array?
Can we use static class instead of singleton?
what is mean by String and StringBuffer? What is mean by Methooverriding and Overloading?
Can a abstract class be declared final?
In java how do we copy objects?
Can an unreachable object become reachable again?
Differences between traditional programming language and object oriented programming language?
How hashmap works in java?
What is object data type?
Can you instantiate the math class?
What are bind parameters?
How can you generate random numbers in java?