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  • math.Random isn't working right

    - by RandomlyKnighted
    I'm trying to simulate a coin flip using the code below. public class Coin { public static double result; int[] count = new count[2]; public static void flip() { result = Math.random(); } public static boolean isHeads() { if (result == 0.0) { count[0]++; return false; } else { count[1]++; return true; } } public static void main(String[] args) { flip(); isHeads(); System.out.println(count[0]); System.out.println(count[1]); } } For some reason Eclipse says that the import java.util.Random; is never used even though I'm clearly using it. I didn't put my for loop into the code above but it loops n number of times and then outputs the result. No matter how many times it loops it always returns that the result is greater than 0.0 which can't be right. Am I calling Math.random incorrectly?

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  • Removing a character from JSONObject?

    - by RandomlyKnighted
    My JSONObject has some random characters contained within the string so I'm trying to remove them. I've tried this but with no luck. String result = s.substring(1, s.length() - 2); JSONObject json_data = new JSONObject(result); if (json_data.has("[")) { json_data.remove("["); } if (json_data.has("]")) { json_data.remove("]"); } if (json_data.has(",")) { json_data.remove(","); } It's still not removing the characters from the JSONObject. Am I checking the JSONObject for the characters incorrectly?

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