public class Test {

private static int i =0;

private static int j =0;

public static void main(String[] args)

{

int i = 2;

int k = 3;

{

int j =3;

System.out.println("i + j is : " + i + j);

}

k = i + j;

System.out.println("K is " + k );

System.out.println("K is " + j);

}

}

why is the output i + j = 23

K =2

K =0

Please explain a step by step to get to the answer.