Random bytes


import java.util.Random;

public class Main {
  public static void main(String[] argv) throws Exception {

    Random rand = new Random();

    byte[] bytes = new byte[5];
    rand.nextBytes(bytes);
  }
}
Home 
  Java Book 
    Runnable examples  

Math:
  1. Convert between polar and rectangular coordinates
  2. Random bytes
  3. Random boolean
  4. Random integer between lo and hi interval
  5. Random long type number
  6. Random numbers between 1 and 100
  7. Random number between 0 AND 10
  8. Random integers that range from from 0 to n
  9. Random string consists of random characters.
  10. Random array of numbers
  11. Round float and double numbers
  12. Round to ceiling
  13. Round to floor value