Encapsulation

/* File name : Price.java */
public class Price {

   private String itemName;
   private String currencyType;
   private double amount;

   public String getName() {
      return itemName;
   }

   public String getType() {
      return currencyType;
   }

   public double getAmount(){
      return amount;
   }

   public void setName(String name){
      itemName = name;
   }

   public void setType(String type){
      currencyType = type;
   }

   public void setIdNum(double value){
      amount = value;
   }
}

/* File name : TestPrice.java */
public class TestPrice {

   public static void main(String args[]){
      Price price = new Price();
      price.setName("Book");
      price.setType("USD");
      price.setAmount(14.99);

      System.out.print("Item Name: " + price.getName() + " Currency Type: " + price.getType() + " Item Price: " + price.getAmount());
    }
}