Difference between == and .equals() ?
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Define nashorn in java8.
What are different types of inner classes ?
What is difference between static class and singleton pattern?
Explain method overloading?
What is meant by object oriented programming – oop?
What is a two-pass assembler?
Explain about arraylist?
What is java util list?
Why java is considered as platform independent?
What is dynamic binding(late binding)?
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 { }
Is it safe for adding 10,00,000 records/objects to HashMap?, i.e is it safe to add millions of objects to HashMap?