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JavaCodes/Virtual.java at main · raskarabhi45/JavaCodes · GitHub

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import java.lang.*;

class Base

{

public int i,j;

public void fun()

{ System.out.println("Base fun"); }

public void gun()

{ System.out.println("Base gun"); }

public void sun()

{ System.out.println("Base sun"); }

}

class Derived extends Base

{

public int x,y;

public void fun()

{ System.out.println("Derived fun"); }

public void sun()

{ System.out.println("Derived sun"); }

public void run()

{ System.out.println("Derived run"); }

}

class Virtual

{

public static void main(String arg[])

{

//Base bobj=new Base(); //no casting

//Derived dobj=new Derived(); //no casting

Base obj=new Derived(); //upcasting

//Derived obj2=new Base(); //downcasting

obj.fun();

obj.gun();

obj.sun();

//obj.run();

}

}

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