Histogram printing program

import javax.swing.*;

public class Histogram
{
public static void main( String args[] )
{
int n[] = { 19, 3, 15, 7, 11, 9, 13, 5, 17, 1 };
String output = "";

output += "Element\tValue\tHistogram";

for ( int i = 0; i < n.length; i++ )
{
output += "\n" + i + "\t" + n[ i ] + "\t";

for ( int j = 1; j <= n[ i ]; j++ ) // print a bar
output += "*";
}

JTextArea outputArea = new JTextArea( 11, 30 );
outputArea.setText( output );

JOptionPane.showMessageDialog( null, outputArea,"Histogram Printing Program",JOptionPane.INFORMATION_MESSAGE );

System.exit( 0 );
}
}