// Fig. 3.8: Account.java
// Account class with a double instance variable balance and a constructor
// and deposit method that perform validation.

public class Account {
   private String name; // instance variable 
   private double balance; // instance variable 

   // Account constructor that receives two parameters  
   public Account(String name, double balance) {
      this.name = name; // assign name to instance variable name

      // validate that the balance is greater than 0.0; if it's not,
      // instance variable balance keeps its default initial value of 0.0
      if (balance > 0.0) { // if the balance is valid
         this.balance = balance; // assign it to instance variable balance
      }
   }

   // method that deposits (adds) only a valid amount to the balance
   public void deposit(double depositAmount) {      
      if (depositAmount > 0.0) { // if the depositAmount is valid
         balance = balance + depositAmount; // add it to the balance 
      }
   }

   // method returns the account balance
   public double getBalance() {
      return balance; 
   } 

   // method that sets the name
   public void setName(String name) {
      this.name = name; 
   } 

   // method that returns the name
   public String getName() {
      return name; 
   } 
}

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