Java random seed

Random rand = new Random(System.currentTimeMillis());

Source: stackoverflow.com

Float random class java

import java.util.Random;
public class Example {
   public static void main(String[] args) {
      Random rd = new Random(); // creating Random object
      System.out.println(rd.nextFloat()); // displaying a random float value between 0.0 and 1.0
   }
}

Source: tutorialspoint.com

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Caused by: java.lang.runtimeexception: no installed build tools found. install the android build tools version 19.1.0 or higher.
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