State the difference between strings and arrays.
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What is a default constructor and also define copy contrucyor?
How to create a custom exception?
What are the new features in java 8?
Are global variables initialized to zero?
How does marker interface provides functionality to the implemented class ? or How dose maker interface gets the functionalities as serialization or cloning.
What is difference between adapter class and listener?
What is the need of "creating and throwing an UserdefinedException" when the "Exception" class is already available?
What is locale?
Q) I have a ArrayList object, in that object i have added 5 integer values, 5 float values, 5 string values. Now question is how can delete particular type of data ( i.e all int values or all float values or string values) in that list object at a time?
Is a copy constructor?
Is nan false?
Hi Friends, can u give code to convert ArrayList to HashMap and HashMap to ArrayList.