Can we assign null to double in java?
What is heterogeneous in java?
What is definition and declaration?
What is scope & storage allocation of static, local and register variables? Explain with an example.
Why are the objects immutable in java?
What is an array length?
why Interface used?
What is Hash Code in Java?
Can we create object of static class?
Is an empty arraylist null?
Why do we need strings in java?
Can we use a default constructor of a class even if an explicit constructor is defined?
What is serial version uid and its importance in java?