Properties in Java Example

Properties is a subclass of Hashtable. It uses a list of values in which key and value is a String. many other Java classes  use Properties.

import java.util.Dictionary; 
 import java.util.Hashtable; 
 import java.util.Properties; 
 import java.util.Enumeration; 
 class PropertiesJavaExample 
 { 
            public static void main(String args[]) 
           { 
                  Properties k = new Properties(); 
                  String s,a; 
                  k.put("Rajsthan","Jaipur"); 
                  k.put("Tamilnadu","Chennai"); 
                  k.put("MP","Bhopal"); 
                  k.put("Gujrat","Gandhinagar"); 
                      try 
                           { 
                              s=args[0]; 
                           } 
                              catch(ArrayIndexOutOfBoundsException e)                
                                    { 
                                       System.out.println("The Command Line Argument Missing"); 
                                       return; 
                                     } 
                                        a=k.getProperty(s); 
                                        if(a != null) 
                                        System.out.println("Capital of "+s+" is "+a); 
                                        else 
                                        System.out.println("The State Specified is not Available"); 
           } 
 }