What is a file pointer?
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what Data encapsulation in java?
can we add two numbers without using arthematic operators? if possible how?
What is the statements?
What is static synchronization?
What is the purpose of final keyword and when to use it?
Describe the Big-O Notation.
What is arraylist class in java?
Under what circumstances an object reference be cast to an interface reference?
Why vector class is used?
how can you retrive information from database by using hashmap/arraylist ,plz explain with example briefly?
Can a class declared as private be accessed outside it’s package?
Explain jvm, jre, and jdk?