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Tell us something about an iterator.
Write a code to show a static variable?
What is super?
Can we declare a static variable inside a method?
What do you understand by soft reference?
If a class is declared without any access modifiers, where can the class be accessed?
What is instance synchronization?
What is callablestatement? How you can call stored procedure to pass in parameter?
Are the imports checked for validity at compile time? Will the code containing an import such as java.lang.abcd compile?
What is the common usage of serialization?
What is a prefix function.write down a code to compute prefix function.
What are some alternatives to inheritance?
How can you make sure that your singleton class will always return single instance in multi-threaded environment?
Difference between static synchronization vs. Instance synchronization?
Explain numeric promotion?
