What is the importance of hashcode() and equals() methods?
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What are invisible components?.
What is the use of parseint 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 { }
How objects of a class are created if no constructor is defined in the class?
diff. b/w JAVA and javascript...
Is java 9 released?
What are the pillars of java?
What is passed by reference and pass by value ?
Why Wait and notify are kept in Object class although they are used only with Thread Class
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What is multiple inheritance? Is it supported by java?
A class can be a subclass of itself?
What do you understand by the term polymorphism?