account.java

来自「java（sl275课程习题解module1-module3共7道习题的题目以及」· Java 代码 · 共 21 行

package banking;
public class Account
{
   private double balance;
   public Account(double init_balance)
   {
     this.balance=init_balance; 
   }
   public double getBalance()
   {
     return this.balance;
    }
   public void deposit(double amt)
   {
     this.balance=this.balance+amt;
   }
   public void withdraw(double amt)
   {
     this.balance=this.balance-amt;
   }
}