What is a memory leak in java?
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Is null a string or object in java?
What is a local block?
What is lazy initialization in java?
Describe what happens when an object is created in java ?
What is the full meaning of java?
When will we prefer to use set and list in java and why?
If I only change the return type, does the method become overloaded?
How can you make sure that your singleton class will always return single instance in multi-threaded environment?
what is ennumaration?
What is the use of private static?
Is there any difference between synchronized methods and synchronized statements?
What is a method in coding?