What is contract between hashcode and equal method?
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Explain importance of inheritance in java?
how can we import the user defined package without classpath?
What are Inner classes?
What are the four versions of java?
Difference between interface and abstract class with ex.
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What does the “static” keyword mean? Can you override private or static method in java?
Can we instantiate Interfaces?
Why are lists ordered in java?
How do you check whether the list is empty or not in java?
How is Garbage collection done in Java?
What is the purpose of main function in java?
What are the different types of constructor?