What is the difference between abstract classes and interfaces?
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What does the “static” keyword mean? Can you override private or static method in java?
What is JAVA? Why it is platform independent?
What is update method and when it is called?
What’s the difference between callable and runnable?
What is the function of log?
Why singleton pattern is better than creating singleton class with static instance?
What is Gang of four design patterns
What enableEvents() method do?
What is keyword in oop?
What is synchronization and why is it important in java programming?
Define jit compiler?
Does string is thread-safe in java?