what is the output of the following codes : code 1. class A {     {         System.out.print(1);     } }   class B extends A {     {         System.out.print(2);     } }   class C extends B {     {         System.out.print(3);     } }   public class MainClass {     public static void main(String[] args)     {         C c = new C();     } } code 2 class M {     int i;       public M(int i)     {         this.i = i--;     } }   class N extends M {     public N(int i)     {         super(++i);           System.out.println(i);     } }   public class MainClass {     public static void main(String[] args)     {         N n = new N(26);     } } code 3 class M {     int i;       public M(int i)     {         this.i = i--;     } }   class N extends M {     public N(int i)     {         super(++i);           System.out.println(i);     } }   public class MainClass {     public static void main(String[] args)     {         N n = new N(26);     } }

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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Question

what is the output of the following codes :

code 1.

class A

{

    {

        System.out.print(1);

    }

}

 

class B extends A

{

    {

        System.out.print(2);

    }

}

 

class C extends B

{

    {

        System.out.print(3);

    }

}

 

public class MainClass

{

    public static void main(String[] args)

    {

        C c = new C();

    }

}

code 2

class M

{

    int i;

 

    public M(int i)

    {

        this.i = i--;

    }

}

 

class N extends M

{

    public N(int i)

    {

        super(++i);

 

        System.out.println(i);

    }

}

 

public class MainClass

{

    public static void main(String[] args)

    {

        N n = new N(26);

    }

}

code 3

class M

{

    int i;

 

    public M(int i)

    {

        this.i = i--;

    }

}

 

class N extends M

{

    public N(int i)

    {

        super(++i);

 

        System.out.println(i);

    }

}

 

public class MainClass

{

    public static void main(String[] args)

    {

        N n = new N(26);

    }

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