Two Synchronization Methods in java pgm

Two Synchronization Methods

import java.io.*;

class Account

{

    private double balance;

    Public Account(double initialDeposit)

{

        balance = initialDeposit;

    }

 public synchronized double getBalance()

{

       return balance;

    }

 public synchronized viod deposit(double amount)

{

       balance += amont;

    }

}

public static void abs(int[] values)

{

         synchronized (values)

{

         for (int i = 0; i < values.length; i++)

{

          if (values[i] < 0)

          values[i] = -values[i];

       }

    }

}