Illegal start of expression?

[The pizazz]

public class Cars
{
public Cars( String make, String model, int year, int price )
{
private string make; //illegal start of expression
private string model; //illegal start of expression
private int year; //illegal start of expression
private int price; //illegal start of expression
}
public static void main( String args[] )
{
Cars car1 = new Cars ( "Ford", "Focus", 2009, 15550 );
Cars car2 = new Cars ( "Toyota", "Camry", 2008, 22355 );
Cars car3 = new Cars ( "Honda", "Accord", 2009, 23575 );
Cars car4 = new Cars ( "Chevy", "Corvette", 2000, 40275 );
Cars car5 = new Cars ( "Chrysler", "Sebring", 2007, 24285 );

car1.nonstatic_display_car ();
car2.nonstatic_display_car ();
car3.nonstatic_display_car ();
car4.nonstatic_display_car ();
car5.nonstatic_display_car ();
}
}

any help greatly appreciated!