// 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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