How are observer and observable used in java programming?
Can we declare a class as abstract without having any abstract method?
1).Is Object class abstract or not? 2).Is main method(public static void main(String args[])low priority thread or high priority thread?
What is the final method?
What is a dynamic array in java?
What is subsequence of a string?
What is pass by value?
Explain the overview of UDP messaging.
What is final method?
How to create an interface?
What is the list interface?
Why java is object oriented?
In java, how many ways you can take input from the console?