import java.util.*;import javax.swing.*;class S{public static void main(String[
] a){new JFrame(){{Properties p=System.getProperties();String[] k=(String[])p.
keySet().toArray(new String[0]);int i,g=k.length;String[][] d=new String[g][2];
Arrays.sort(k);setDefaultCloseOperation(3);for(i=0;i<g;i++){d[i][0]=k[i];d[i][1
]=p.getProperty(k[i]);}getContentPane().add(new JScrollPane(new JTable(d,new
String[]{"key","value"})));pack();show();}};}}