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I'm doing a lesson that is supposed to demonstrate inheritance using the song Old MacDonald; there's an animal interface, a farm class that implements each animal object.. you get the idea. I've got two problems. First, The animal has a type and a sound, for example, a chick is [code] …

I'm writing Conway's game of life for a school assignment. I have a text file with coordinates of the initial locations with bacterium. All I need to know is how to tell java to compare a coordinate in the matrix to a coordinate from the file. The pairs are listed …

I understand that this means I'm using more memory than is available to the JVM, but I'm not sure why or what to do about it. The purpose of the program is to simulate an item in a store that is being tracked with a bar code id number (or …