How do you define a singleton class?
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What is the difference between static (class) method and instance method?
what is the collable collections in java?
What are the similarities between an array and an ArrayList?
What happens when you invoke a thread’s interrupt method while it is sleeping or waiting?
Why operator overloading is not in Java?
Difference between throw and throws?
What is the string function?
What is double checked locking in singleton?
Can we make a constructor final?
What is jit and its use?
What is the difference between equals() and?
What’s the difference between the methods sleep() and wait()?