Why hashmap is used in java?
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What language is pass by reference?
What does the “final” keyword mean in front of a variable? A method? A class?
An inner class can actually be a subclass of the outer class? a. true b. false
What is the difference between abstract classes and interfaces?
What are the 5 types of research methods?
Explain access modifiers in java.
What do you understand by the term string pool?
write a program to create an arraylist with string(add,remove) operation.and value should be enter through keyboard.
what are synchronized methods and synchronized statements? : Java thread
What are the advantages of functions?
Hai all I want to print given array in reverse order Ex: int a[]={1,2,3,4,5};display this array in reverse order.
Can we convert stringbuffer to string?