What is size () in java?

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What is the difference between a constructor and a method?

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Can subclass overriding method declare an exception if parent class method doesn't throw an exception?

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Is java hashset ordered?

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How to excute - Interface - Inner class- method can any one tell how to execute/ call this main method public interface abc { static int i=0; void dd(); class a1 { a1() { int j; System.out.println("inside"); }; public static void main(String a1[]) { System.out.println("in interfia"); } } }

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What is actual difference between statement,prepared statement and callable statement and when we have to use it? pls post a answer with code and clear explanation. thanks

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Differences between traditional programming language and object oriented programming language?

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what is the main difference between string and stringbuffer? can you explain it with program?

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Does isempty check for null?

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What's a method in programming?

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What must a class do to implement an interface in java programming?

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What is the purpose of a statement block?

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