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I have this program where when I click start, it starts painting rectangles one on top of the other by storing each rectangle created by paintComponent in an array and then displaying them on the screen. When I click stop, the animation stops. This is all fine and dandy but … 
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Hey, I have the following piece of code in Processing (programming language) that I am supposed to change and implement in new ways. However I just can't seem to understand it. I would love it if someone here explained it to me step by step. Here's the code: [CODE]// TREE … 
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Hey, Is there a way, by using find, to create a method that finds the last occurrence of a character in a string? I know how to use the find method to find the first occurrence but have no idea how to do it backwards. Basically this is what I …
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I can't figure out why I get the NullPointerException on Line 223. Would appreciate any help whatsoever. Sorry about the spacing below. Some of the code appears messy. Toggle Plain Text and it should look better. [CODE]/* Section 1: Import Statements. Imports the Scanner class and the IO Package. */ …
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I have the following piece of code. I do not understand why its not working. I'd really appreciate help on this. [CODE]import java.util.Scanner; import java.io.*; class ReadFiles { String [] codes = new String[99]; int i = 0; private Scanner readCodes; public void openCodesFile() { try { readCodes = new …
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