Question: 4. What will following code print if we run it? public class Sum{ } int x; public Sum(int y){ } x= y; public void

4. What will following code print if we run it? public class Sum{ } int x; public Sum(int y){ } x= y; public void add(int z){ } System.out.println(x + z) public static void main(String[] args) { Sum s1 new Sum(5); } s1.add(6);

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