Core Java

import javax.swing.JOptionPane;
public class RandomInt
{
public static void main( String args[] )
{
int value;
String output = "";
for ( int i = 1; i <= 20; i++ )
{
value = 1 + (int) ( Math.random() * 6 );
output += value + " ";
if ( i % 5 == 0 )
output += "\n";
}
JOptionPane.showMessageDialog( null, output, "20 Random Numbers from 1 to 6", JOptionPane.INFORMATION_MESSAGE );
System.exit( 0 );
}
}