ISC Computer 2015 Theory Part II : Section C Fully Solved

Section C : 2015 Solved Theory

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Question : 11

WordPile is an entity ……………..not be written.

public class WordPile

{

    char ch[]=new char[20];

    int capacity,top;

    WordPile(int cap)

    {

        capacity=cap;

        top=-1;

    }

    void pushChar(char v)

    {

        if((top+1)==capacity)

        {

            System.out.println("WordPile is full");

        }

        else

        {

            ch[++top]=v;

        }

    }

    char popChar()

    {

        if(top==-1)

        {

            return ('\\');

        }

        else

        {

            return (ch[top--]);

        }

    }

}

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Question : 12

A line on a plane can……………………….not be written.

public class Plane

{

    int x1,y1;

    Plane(int nx,int ny)

    {

        x1=nx;

        y1=ny;

    }

    void show()

    {

        System.out.println("Coordinate : ("+x1+","+y1+")");

    }

}

public class Circle extends Plane

{

    int x2,y2;

    double radius,area;

    Circle(int ax,int ay,int bx,int by)

    {

        super(ax,ay);

        x2=bx;

        y2=by;

    }

    void findRadius()

    {

        radius=(Math.sqrt(Math.pow((x2-x1),2)+Math.pow((y2-y1),2)))/2;

    }

    void findArea()

    {

        area=(22/7)*(Math.pow(radius,2));

    }

    void show()

    {

        System.out.println("Coordinates : ("+x1+","+y1+") and ("+x2+","+y2+")");

        System.out.println("Radius : "+radius);

        System.out.println("Area : "+area);

    }

}