Is null a string or object in java?
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why pointer is not used in java?
What is data string?
What are serialization and deserialization?
List some features of the abstract class.
How to sort an unsorted array in java?
How many bytes is string in java?
What is “try and catch” in java
Is call by reference possible in java?
What is integer size in java?
Explain pass by reference and pass by value?
What are the advantages of java inner classes?
What are the legal parameters?