package org.forester.development; import java.util.Random; public class RandomThing { public static void main( final String[] args ) { final Random rg = new Random(); for( int i = 0; i < 200; i++ ) { for( int j = 0; j < 30; j++ ) { System.out.print( "\t" + rg.nextFloat() ); } System.out.println(); } } }