public abstract class Vacation $\{$

protected String destination;

protected int budget;

public Vacation$($String name, int budget$)\{$

this.destination$=$name;

this.budget$=$budget;

$\}$

public String getDestination$()\{$ return destination; $\}$

public int getBudget$()\{$ return budget; $\}$

public void setDestination$($String name$)\{$ destination$=$name;

public void setBudget $($int budget$)\{$this$.$budget$=$budget; $\}$

public abstract int overBudget$()$;

$//$returns by how much vacation is over budget $($could be negative$)$

public String toString$()\{//$returns the details of the current vacation

return "unknown vacation details";

$\}$

$\}$