public class Encapsulation { 
  public static void main ( String[ ] args ) {
    Encapsulate obj = new Encapsulate( ); 
    // Setting values of the variables 
    obj.setName( args[0] ); 
    obj.setAge ( Integer.parseInt( args[1] ) ); 
    obj.setRoll( Integer.parseInt( args[2] ) );
    // Displaying values of the variables 
    System.out.print( obj.getName( ) + " " ); 
    System.out.print( obj.getAge ( ) + " " ); 
    System.out.print( obj.getRoll( ) ); 	
    // Error: Direct access of geekRoll is not possible due to encapsulation 
    // System.out.print( "Geek's roll: " + obj.geekName ); 
  } 
} 
class Encapsulate {
  // Private variables can only be accessed by public methods of class.
  private String geekName; 
  private int geekRoll; 
  private int geekAge; 

  // Get method for age to access private variable geekAge 
  public int getAge( ) { return geekAge; } 

  // Get method for name to access private variable geekName 
  public String getName( ) { return geekName; } 
	
  // Get method for roll to access private variable geekRoll 
  public int getRoll( ) { return geekRoll; } 

  // Set method for age to access private variable geekage 
  public void setAge( int newAge ) { geekAge = newAge; } 

  // Set method for name to access private variable geekName 
  public void setName( String newName ) { geekName = newName; } 

  // Set method for roll to access private variable geekRoll 
  public void setRoll( int newRoll ) { geekRoll = newRoll; }
}