import java.util.*; // we get class Random from here

class RanDemo {
  
  public static void main(String[] args) {
     int N = 10000;
     int MAX = 25000;

     /* gen array of floats with N elements in it..
        we will make each element a float between 0 and 1
     */
     float[] vals = new float[N];
     Random gen = new Random(); // make a random num generator object
     for (int k=0; k<N; k++) {
        vals[k] = gen.nextFloat(); /* range is 0 to 1 */
     }
     for (int k=0; k<N; k++) {
        System.out.print("  "+vals[k]);
     }
     System.out.println();

     /* gen array of int with N elements in it..
         we will make each element an integer betwee 0 and MAX
     */
     int[] ivals = new int[N];
     gen = new Random(); // make a random num generator object
     for (int k=0; k<N; k++) {
        ivals[k] = gen.nextInt(MAX); /* range is 0 to MAX */
     }
     for (int k=0; k<N; k++) {
        System.out.print("  "+ivals[k]);
     }
     System.out.println();
  }
}