What is concurrent hashmap and its features?
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What is byte data type?
we cannot create an object of interface but we can create a variable of it
In Inheritance if we are implementing Multi level inheritance and all class having same name of variable and now i want to access each class variable and how it is possible?
does java support pointers?
What Is Query Throttling in java?
how session will be expired ?
What is adapter in java?
I Have a class abstract with one abstract method, so that method should override in the subclass, but i dont want to override, if i am not override what will happen? If compilation will occur then i dont want to give compilation error, then what we need to do??? See the sample program. public abstract class AbstractExample { public abstract void sampleMethod(); } public class AbstractExampleImple extends AbstractExample { }
What are the names of interfaces that doesn't consists of method/s ?
What is floor math?
What is float in java?
Explain what are final variable in java?