[JAVA] [ICSE 2006 Answer 6] Replacing Words

Question:

ICSE 2006 Question 6

Consider the following statement-

"January 26 is celebrated as the Republic Day of India".

Write a program to change 26 to 15, January to August, Republic to Independence and finally print "August 15 is celebrated as the Independence Day of India".

Source Code:

public class ICSE2006_6

{

    public static void main()throws Exception

    {

        String s="January 26 is celebrated as the Republic Day of India";

        s=s.replace("January", "August");

        s=s.replace("26", "15");

        s=s.replace("Republic", "Independence");

        System.out.println(s);

    }

}

Result:

OUTPUT:

August 15 is celebrated as the Independence Day of India

[JAVA] [ICSE 2006 Answer 5] Calculating Bill Amount

Question:

ICSE 2006 Question 5

A cloth showroom has announced the following festival discounts on the purchase of items, based on the total cose of the items puchased:

TOTAL COST                   DISCOUNT

Less than Rs.2,000                 5%

Rs.2,001 to Rs.5,000              25%

Rs.5,001 to Rs.10,000             35%

Above Rs.10,000                   50%

Write a program to input the total cost and to compute and display the amount to be paid by the customer after availing the discount.

Source Code:

public class ICSE2006_5

{

    public static void main(double cost)throws Exception

    {

        int discount=0;

        if(cost<=2000)

            discount=5;

        else if(cost<=5000)

            discount=25;

        else if(cost<=10000)

            discount=35;

        else

            discount=50;

        System.out.println("The cost to be paid by the customer after availing the discount of "+discount+"% is Rs. "+(cost*(100-discount)/100)+".");

    }

}

Result:

INPUT:

5901.45

OUTPUT:

The cost to be paid by the customer after availing the discount of 35% is Rs. 3835.9425.

[JAVA] [ICSE 2006 Answer 4] Conditional Sum Finding

Question:

ICSE 2006 Question 4

Write a program to calculate and print the sum of odd numbers and the sum of even numbers for the first n natural numbers.

The integer n is to be entered by the user

Source Code:

public class ICSE2006_4

{

    public static void main(int n)throws Exception

    {

        int sumo=0, sume=0;

        for(int i=1; i<=n; i++)

            if(i%2==0)

                sume+=i;

            else

                sumo+=i;

        System.out.println("The sum of odd numbers is "+sumo+".\nThe sum of even numbers is "+sume+".");

    }

}

Result:

INPUT:

28

OUTPUT:

The sum of odd numbers is 196.

The sum of even numbers is 210.