What is an arraylist in java?
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diffrence b\w println() and printf()
what is aggregation in java?
How many ways can we create singleton class?
What is a Null object?
What is the right data type to represent a price in java?
Differentiate between class and structure.
How can you read content from file in java?
can we overload main method?
What is the difference between a constructor and a method?
Write a program based on Java script program.
Why we override equals() method?
What is an example of declaration?