How do you check if an arraylist is not empty?
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Why Java is called as purely platform independent..? Explain briefly..dont Give regular answers Explain with your own example..?
Why char array is preferred over string for storing password?
What is the difference between hashmap and hashtable in java?
How destructors are defined in java?
what is meant by Garbage collection?
Is main is a keyword?
What is meant by class loader and how many types are there?
What is compareto?
Is singleton class thread safe?
What class is used to implement a Throwable array?
How much is a java license?
If your team member writes code with lots of static variables and static methods, will it cause any side effects?