What does the following code print out when we execute "new A()"? And why?

class A {

static int a = 0;

int b = a++;

{

a = a + 2;

}

static int c = a;

static {

a = a + 5;

}

int d = a;

public A() {

System.out.println( "a =" + a );

System.out.println( "b =" + b );

System.out.println( "c =" + c );

System.out.println( "d =" + d );

}

static {

a = a + 9;

}

}