What is the difference between Error, defect,fault, failure and mistake?
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What is the order of arraylist in java?
Can a class extend abstract class or interface? why
What is hash code collision?
What is use of super keyword in java?
Difference between static and dynamic class loading.
What is number data type?
What is a copy constructor in java?
What happens when you invoke a thread’s interrupt method while it is sleeping or waiting?
How to change the priority of thread or how to set the priority of thread?
Explain the JDB in depth & command line.
when everything can be done by static block then why do we use main method?.
When would you use a static class?