/*
  Author:  James Tam
  Version: 2015

  Learning objectives:
  1) Scope of attributes (static and non-static).
  2) Scope of locals.

*/

public class Foo
{
    public static int x = -1;
    private int y;

    // x, y accessible here
    // newX, z not accessible
    public Foo()
    {
        y = 1;
        System.out.print(x + " " + y);
    }

    // x, y accessible here
    // newX: a parameter, also a local variable
    // z: local variable
    // Both: accessible only inside the scope of the method
    public void setX(int newX)
    {
        int z = 0;
        System.out.println(x + " " + y + " " + z);
    }

    // x, y accessible here
    // newX not accessible
    // z: local to this method, not the same as the one in setX()
    public void anotherMethod()
    {
        int z = 1;
        System.out.println(x + " " + y + " " + z);
    }
}