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i am creating chat server in php where i need to get dynamic data in php page without referesh can anyone guide me how to do it |
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please tell me under what condition we should we use abstract classes and main difference between interface and abstract classes |
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Hi, I need to create a huge array of (up to 160,000) points on a grid ex. (4, 23). First of all, I have no idea how to create an array, I looked on the Java API, but I was helplessly and hopelessly confused. And after a create the array, … |
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why it is use full to resolve overridden method at runtime rather than compile time |
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i am new in java can any one please tell me the main use of constructor if we can use method in what cases its necessary to use constuctor |