What is length in java?
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What is string immutability?
What is the collection interface?
What is update method and when it is called?
What is oop principle in java?
How many types of packages are there in Java?
we know that every java prog must follows OOPS Principles. Anybody can answer, HOW THE FOLLOWING PROGRAM FOLLOWS OOPS CONCEPTS i.e, Inheritance,Polymarphism,Encapsulation? class a{ public static void main(String args[]){ System.out.println("Hello World"); } }
Which list does not allow duplicates in java?
What is nested top-level class?
Explain in detail about encapsulation with an example?
How do you convert int to char in java?
What is the use of parseint in java?
What is singleton class in java and how can we make a class singleton?