public class BClass

{

private int x;

public void set(int a)

{

x=a;

}

public void print()

{

Systme.out.print(x);

}

}

public class DClass extents BClass

{

private int y;

public void set(int a,int b)

{

//postcondition; x=a; y=b;

}

public void print()

{...}

}

1.write the definition of the print method of DClass that overrides it.

2.Write the definition of the method set of the class DClass.