Difference between abstract class and Interfaces?7 11949
what is the use of declaring constructor as private?5 10916
Difference between array and arraylist.23 142909
Features of Java?4 4166
Difference between overloading and overridding?4 6069
Keywords in Exceptions?2 3603
write the hierarchy of component class?1 2920
why java is not supporting multiple inheritence?3 4317
what are the diffrences between interface and abstract class?4 5313
What are the two environment variables that must be set in order to run any java programs?
Explain the difference between association, aggregation and inheritance relationships.
Is it possible to use Semaphore/ Mutex in an Interrupt Handler?
Which category the java thread do fall in?
Does java arraylist maintain insertion order?
Explain different types of thread priorities ?
What do you mean by order of precedence and associativity?
Explain the difference between an Interface and an Abstract class?
If we don’t want some of the fields not to serialize how to do that?
What is the difference between quicksort & mergesort? When should they be used? What is their running time?
How hashmap works in java?
What is tostring () method?
What is a nested structure?
What is a blocking method in Java?
Can we override protected method in java?