generate random number in java / android

 import java.util.Random;
 public class RandomTest
 {

  public static void main(String[] args)
 {
    Random rand = new Random();

    for(int i=0;i<10;i++)
  {
      float pick = rand.nextFloat(); // random between 0.0 to 1.0
      System.out.println(pick);
  }
  }

  Random rand = new Random();
 }

////////////////////////////////////////////////////////////

 import java.util.Random;
 public class RandomTest
 {

   public static void main(String[] args)
  {
     Random rand = new Random(20071969);

     for(int i=0;i<10;i++)
   {
       int pick = rand.nextInt(10);

       System.out.println(pick);

   }
   }

   Random rand = new Random();
 }