Guide to ICSE students by S.N.Bhawani: January 2018

Programs on Sequence Structure

1.    A company has employees who are divided into four grades as follows:
Grade     Basic(Rs./month) DA           HRA
1              10,000 or more                    40%        30%
2              5,000 - < 10,000 40%        25%
3              < 5,000 but > 2,000             30%        20%
4              2,000 or less                         30%        15%
If the Net salary which is the total of Basic, DA, and HRA, is above Rs.50,000 per month then Income Tax at the rate of 30% of the annual salary exceeding 50,000 is deducted on monthly basis at source. Taking name of the employees and the Basic (monthly) pay as inputs, a pay slip, which contains Name, Grade, Basic monthly pay, DA, HRA, Monthly Income Tax and Net Monthly Salary, for employee is to be printed. Write a java program to perform this job.

2. Write a program to input the values of three coefficients (A,B,C) of a quadratic equation: (AX² + BX + C = 0). Find the roots of the equation and display them, stating whether roots are real unequal, real equal or imaginary. [10+5]

Programs on Selection Structure

Write a program to computerize the billing operation of a telephone of a telephone company .The bill has to be generated based on the following conditions:

Number of calls Amount per call

First 50 calls free

Next 100 calls 50 P per call

Next 200 calls 80 P per call

Rest of the calls Rs 1.20 per call

A rent of Rs 120 is charged from every customer.A tax of 15% is charged on the sum of charges and rent.The total amount is tax added to the sum of charges and rent .Print the bill for a customer.

Display a menu as follows:
1. Check for prime number
2. Display number of digits
3. Exit
Each option is defined in a separate function within the subclass, the required parameter is accepted in the main class. The main class is also to display the menu and to accept the choice from the user and to execute the corresponding function (use data input concept).
Write a program that outputs the results of the following evaluations based on the number entered by the user.
(i) Natural logarithm of the number
(ii) Absolute value of the number
(iii) Square root of the number
(iv) Random numbers between 0 and 1.
Using a switch statement, write a menu driven program to convert a given temperature from Fahrenheit to Celsius and vice versa. For an incorrect choice, an appropriate error message should be displayed.
Write a menu driven class to accept a number from the user and check whether it is a Palindrome or a Perfect Number.

(a) Palindrome Number- (a number is a Palindrome which when read in reverse order is same as read in the right order). Example: 11, 101, 151 etc.

(b) Perfect Number- (a number is called Perfect if it is equal to the sum of its factors other than the number itself.) Example: 6 = 1 + 2 + 3

Write a menu driven program to access a number from the user and check whether it is a BUZZ number or to accept any two numbers and to print the GCD of them.

a) A BUZZ number is the number which either ends with 7 is is divisible by 7.

b) GCD (Greatest Common Divisor) of two integers is calculated by continued division method. Divide the larger number by the smaller; the remainder then divides the previous divisor. The process is repeated till the remainder is zero. The divisor then results the GCD.

An electronics shop has announced the following seasonal discounts on the purchase of certain items.

Purchase Amount in Rs. Discount on Laptop Discount on Desktop PC

0 – 25000 0.0% 5.0%

25001 – 57000 5.0% 7.6%

57001 – 100000 7.5% 10.0%

More than 100000 10.0% 15.0%

Write a program based on the above criteria to input name, address, amount of purchase and type of purchase (L for Laptop and D for Desktop) by a customer. Compute and print the net amount to be paid by a customer along with his name and address.

(Hint: discount = (discount rate/100)* amount of purchase

Net amount = amount of purchase – discount)

Shasha Travels Pvt. Ltd. gives the following discount to its customers:

Ticket Amount	Discount
Above Rs. 70000	18%
Rs. 55001 to 70000	16%
Rs. 35001 to 55000	12%
Rs. 25001 to 35000	10%
less than Rs. 25001	2%

Write a program to input the name and ticket amount for the customer and calculate the discount amount and net amount to be paid. Display the output in the following format for each customer :

Sr. No.	Name	Ticket charges	Discount	Net amount
1	–	–	–	–

(Assume that there are 15 customers, first customer is given the serial number (Sr.No.) 1, next customer 2 … and so on)

Given below is a hypothetical table showing rates of income tax for the male citizens below the age of 65 years:

Taxable Income (TI) in Rs. Income Tax in Rs.

Does not exceed Rs. 1,60,000 NIL

Is greater than Rs. 1,60,000 (TI – 1,60,000)*10%

and less than or equal to Rs. 5,00,000

Is greater than Rs. 5,00,000 [(TI – 5,00,000)*20%] + 34,000

and less than or equal to Rs. 8,00,000

Is greater than Rs. 8,00,000 [(TI – 8,00,000)*30%] + 94,000

Write a program to input the age, gender (male or female) and taxable income of a person. If the age is more than 65 years or the gender is female, display “wrong category”. If the age is less than or equal to 65 years and the gender is male, compute and display the income tax payable as per the table given above.

10. Using the switch statement, write a menu driven program to calculate the maturity amount of a Bank Deposit.
The user is given the following options:

Term Deposit
Recurring Deposit

For option (i) accept principal(P), rate of interest(r) and time period in years(n). Calculateand output the maturity amount(A) receivable using the formula

A =

For option (ii) accept Monthly Installment (P), rate ofinterest(r) and time period in months(n). Calculate and output the maturity amount(A) receivable using the formula

A =

For an incorrect option, an appropriate error message should be displayed.

Write a program in to input and store all roll numbers, names and marks in 3 subjects of n number of students in five single dimensional arrays and display the remark based on average marks as given below

Average marks = total marks/3

Average marks Remark

85 – 100 EXCELLENT

75 – 84 DISTINCTION

60 – 74 FIRST CLASS

40 – 59 PASS

Less than 40 POOR

Programs on Looping

1. Write a program to compute and display the sum of the following series:

S = (1)/(1!) – (1 + 2)/(1! * 2!) + (1+2 +3)/(1! * 2! * 3!) - (1 + 2 + 3 + 4)/(1! * 2! * 3! * 4!) + ………..(1 + 2 + 3 + 4 + ….+ n)/(1! * 2! * 3! * 4! * ….. * n!)

where n is any integer value taken from the user as input.

2. Program in loops [7+8]

i) Write a program to print the following output

2 3

4 5 6

Number of lines are to be inputted by the user

ii) WAP to calculate the sum of the following series.

S = x/(x+1)!- x²/(x+2)!+x³/(x+3)! ……..n terms

3. Program in loops [7+8]

(a) Write a java program to print n terms of the fibonacci series as :

0,1,1,2,3,5,8……n terms

(b) Write a program to accept a number form user and check it is prime or not.

[ Prime number is divisible by 1 and itself e.g 3 it is divisible by 1 and 3, 17 it is divisible by 1 and 17 ]

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.

5. Write a program to print the sum of negative numbers, sum of positive even numbers and sum of positive odd numbers from a list of numbers(N) entered by the user. The list terminates when the user enters a zero.

6.       Write a program to initialize the given data in an array and find the minimum and maximum values along with the sum of the given elements.
Numbers :   2   5   4   l   3
Output : Minimum value : l
              Maximum value : 5
              Sum of the elements : 15

Write a program to calculate and print the sum of each of the following series:

(a) Sum (S) = 2 - 4 + 6 - 8 + .... - 20

(b) Sum (S) = x/2 + x/5 + x/8 + x/11 + .... x/20

(Value of x to be input by the user.)

8. Write a program to generate a triangle or an inverted triangle till n terms based upon the user’s choice of triangle to be displayed.

Example 1 Example 2

Input: Type 1 for a triangle and type 2 for an inverted triangle

1 2

Enter the number of terms Enter the number of terms

5 6

Output: Output:

1 6 6 6 6 6 6

2 2 5 5 5 5 5

3 3 3 4 4 4 4

4 4 4 4 3 3 3

5 5 5 5 5 2 2

9. Write a menu driven program to accept a number and check and display whether it is a prime number or not OR an automorphic number or not. (Use switch-case statement)

(a) Prime number: A number is said to be a prime number if it is divisible only by 1 and itself and not by any other number.

Example: 3, 5, 7, 11, 13, etc.

(b) Automorphic number: An automorphic number is the number which is contained in the last digit(s) of its square.

Example: 25 is an automorphic number as its square is 625 and 25 is present as the last 2 digits.

10. Write a program to input a number and print whether the number is a special number or not. (A number is said to be a special number, if the sum of the factorial of the digits of the number is same as the original number).

Example: 145 is a special number, because 1! + 4! + 5! = 1 + 24 + 120 = 145

(where ! stands for the factorial of the number and the factorial value of a number is the product of all integers from 1 to that number, example 5! = 1*2*3*4*5 = 120).

11. Write a menu driven program to perform the following . (Use switch-case statement)

(a) To print the series 0, 3, 8, 15, 24 ……. n terms

(value of ‘n’ is to be an input by the user).

(b) To find the sum of the series given below:

S = ½ + ¾ + 5/6 + 7/8 …….. 19/20

12. Using the switch statement, write a menu driven program to:

i) Generate and display the first 10 terms of the Fibonacci series

0, 1, 1, 2, 3, 5, …

The first two Fibonacci numbers are 0 and 1, and each subsequent number is the sum of the previous two.

ii) Find the sum of the digits of an integer that is input:

Sample input: 15390

Sample output: Sum of the digits = 18

For an incorrect choice, an appropriate error message should be displayed.

13. The International Standard Book Number (ISBN) is a unique numeric book identifier which is printed on every book. The ISBN is based upon a 10-digit code. The ISBN is legal if 1*digit1 + 2*digit2 + 3*digit3 + 4*digit4 + 5*digit5 + 6*digit6 + 7*digit7 + 8*digit8 + 9*digit9 + 10*digit10 is divisible by 11.

Example: For an ISBN 1401601499

Sum =1*1 + 2*4 + 3*0 + 4*1 + 5*6 + 6*0 + 7*1 + 8*4 + 9*9 + 10*9 = 253 which is divisible by 11.

Write a program to:

i. Input the ISBN code as a 10-digit number

ii. If the ISBN is not a 10-digit number, output the message "Illegal ISBN" and terminate the program

iii. If the number is 10-digit, extract the digits of the number and compute the sum as explained above.

If the sum is divisible by 11, output the message "Legal ISBN". If the sum is not divisible by 11, output the message "Illegal ISBN".

14. Using the switch statement, write a menu driven program:

i. To check and display whether the number input by the user is a composite number or not (A number is said to be a composite, if it has one or more than one factors excluding 1 and the number itself).

Example: 4, 6, 8, 9,

ii. To find the smallest digit of an integer that is input:

Sample input: 6524

Sample output: Smallest digit is 2

15. A special two-digit number is such that when the sum of its digits is added to the product of its digits, the result is equal to the original two-digit number.

Example: Consider the number 59.

Sum of digits = 5 + 9 = 14

Product of its digits = 5 x 9 = 45

Sum of the sum of digits and product of digits = 14 + 45 = 59

Write a program to accept a two-digit number. Add the sum of its digits to the product of its digits. If the value is equal to the number input, output the message “Special 2-digit number” otherwise, output the message “Not a special2-digit number”.

16. Write two separate programs to generate the following patterns using iteration(loop) statements :

(a) *

* #

* # *

* # * #

* # * # *

(b) 5 4 3 2 1

5 4 3 2

5 4 3

5 4

17. Use switch statement, write a menu driven program to:

(i) To find and display all the factors of a number input by the user (including 1 and excluding number itself.)

Example :

Sample Input : n=15.

Sample Output : 1,3,5

(ii) To find and display the factorial of a number input by the user(the factorial of a non-negative integer n ,denoted by n!, is the product of all integers less than or equal to n. Example : Sample Input : n=5 Sample Output : 120.

For an incorrect choice , an appropriate error message should be displayed.

18. Using the switch statement, write a menu driven program for the following:

(i) To print the Floyd’s triangle [Given below]

2 3

4 5 6

7 8 9 10

11 12 13 14 15

(ii) To display the following pattern

I C

I C S

I C S E

For an incorrect option, an appropriate error message should be displayed.

19. Write a program to accept a number and check and display whether it is a spy number or not.

(A number is spy if the sum its digits equals the product of the digits.)

Example: consider the number 1124 , sum of the digits = 1 + 1 + 2 + 4 = 8

Product of the digits = 1 X 1 X 2 X 4=8

20. Using switch statement, write a menu driven program for the following :

i) To find and display the sum of the series given below:

(where x=2)

ii) To display the following series:

1 11 111 1111 11111

For an incorrect option, an appropriate error message should be displayed.

Programs on Array

1. Write a program to store 20 different names along with the corresponding telephone numbers. Enter a name from the console and search whether the name is present or not. If the name is present, display the name along with the phone number, otherwise display an appropriate message for the name not found.

2. Write a program to accept 15 integer from the keyboard, assuming that no integer entered is a zero. Enter a number from keyboard and search in an array using Binary Search Technique.

If the number is present display " 67 is found at 5 index number" If the number is 67 and stored at 5 index number in an array. Else display " Number is not present in the array".

3. Array Program

(a) A class namely, 'linear' with a member function to input a list of 10 elements in an array. Write a program to declare the class, 'linear' and define the method of the display of the numbers in ascending order using the Selection Sort Method.[8]
(b) Write a program to create a double dimensional array to store 12 elements. Calculate and print the position of the maximum and minimum element of the array. [7]

The marks obtained by 50 students in a subject are tabulated as follows:-

Name Marks

--- ---

Write a program to input the names and the marks of the students in the subject.
Calculate and display:-
(i) The subject average marks ( subject average marks = subject total / 50 )
(ii) The highest mark in the subject and the name of the student.
(The maximum marks in the subject are 100)

5. The annual examination results of 50 students in a class is tabulated as follows.

Roll no. Subject A Subject B Subject C

……… ……… ……… ………

Write a program to read the data, calculate and display the following:

a) Average mark obtained by each student.

b) Print the roll number and average marks of the students whose average mark is above 80.

c) Print the roll number and average marks of the students whose average mark is below 40.

6. Write a program to perform binary search on a list of integers given below, to search for an element input by the user, if it is found display the element along with its position, otherwise display the message “Search element not found”

5,7,9,11,15,20,30,45,89,97

7. Write a program to store 6 elements in an array P, and 4 elements in an array Q and produce a third array R, containing all the elements of array P and Q. Display the resultant array.

Example:

P[] Q[] R[]

4 19 4

6 23 6

1 7 1

2 8 2

3 3

10 10

Write a program to input and store the weight of ten people. Sort and display them in descending order using the selection sort technique.
Write a program to accept the names of 10 cities in a single dimension string array and their STD (Subscriber Trunk Dialing) codes in another single dimension integer array. Search for a name of a city input by the user in the list. If found, display “Search Successful” and print the name of the city along with its STD code, or else display the message “Search Unsuccessful. No such city in the list”.
Write a program to input 10 integer elements in an array and sort them in descending order using bubble sort technique.

11. Write a program to accept the year of graduation from school as an integer value from the user. Using the Binary Search technique on the sorted array of integers given below, output the message “Record exists” if the value input is located in the array. If not, output the message “Record does not exist”.

{1982, 1987, 1993, 1996, 1999, 2003, 2006, 2007, 2009, 2010}

Write a program to input twenty names in an array. Arrange these names in descending order of alphabets , using the bubble sort technique
Write a program to input integer elements into an array of size 20 and perform the following operations :

i) Display largest number from the array

ii) Display smallest number from the array

iii) Display sum of all the elements of the array

Write a program to input forty words in an array. Arrange these words in descending order of alphabets, using selection sort technique. Print the sorted array.

Programs on Strings

1. Write a program to accept a String from the user and display the longest word in the String. e.g., input: I read in class ten. Output: The longest word is class.

2. Write a java program to input a string and print frequency of each character of the string.

Example Input : COMPUTER APPLICATION

OUTPUT

occurs 1 times

A occurs 2 times

C occurs 2 times

E occurs 1 times

I occurs 2 times

L occurs 1 times

M occurs 1 times

N occurs 1 times

O occurs 2 times

P occurs 3 times

R occurs 1 times

T occurs 2 times

3. String Programs [8+7]

(a) A class 'sortstring' contains an array 'Msg' as follows:
String Msg[]={"Fortune","favours","brave","the"};
Write a code for the class 'sort string' which will sort the individual words and display the output as
Fortune
brave
favours
the
(b) Write a program, which will read a text and count the occurrences of the word "the". For e.g. if the input is "The cat jumped over the fence", the output should be 2.

4. Write a program to input any given string to calculate the total number of characters and vowels present in the string and also reverse the string :-

Example : INPUT
                 Enter String                             : SNOWY
                 OUTPUT
                 Total number of characters     : 05
                 Number of Vowels                 : 01
                 Reverse string                         : YWONS

5. Write a program using a method Palin( ), to check whether a string is a Palindrome or not. A Palindrome is a string that reads the same from left to right and vice versa.
E.g. MADAM, ARORA, ABBA, etc.

Write a program to input a string and print out the text with the uppercase and lowercase letters reversed, but all other characters should remain the same as before.

Example: INPUT: WelComE TO School

OUTPUT: wELcOMe to sCHOOL

Write a program to input a sentence and print the number of characters found in the longest word of the given sentence.

For example is S = “India is my country” then the output should be 7.

Write a program to input a string in uppercase and print the frequency of each character.

Example:

INPUT: COMPUTER HARDWARE

OUTPUT:

CHARACTERS FREQUENCY

A 2

C 1

D 1

E 2

H 1

M 1

O 1

P 1

R 3

T 1

U 1

W 1

Write a program to accept a word and convert it into lowercase if it is in uppercase, and display the new word by replacing only the vowels with the character following it.

Sample Input : computer

Sample Output : cpmpvtfr

Write a program to accept a string. Convert the string to uppercase. Count and output the number of double letter sequences that exist in the string.

Sample input: SHE WAS FEEDING THE LITTLE RABBIT WITH AN APPLE

Sample output: 4

Write a program that encodes a word in Piglatin. To translate word into Piglatin word, convert the word into uppercase and then place the first vowel of the original word as the start of the new word along with the remaining alphabets. The alphabets present before the vowel being shifted towards the end followed by “AY”.

Sample Input(1): London Sample Output(1): ONDONLAY

Sample Input(2): Olympics Sample Output(2): OLYMPICSAY

Write a program to assign a full path and file name as given below. Using library functions, extract and output the file path, file name and file extension separately as shown.

Input C:\Users\adm in\Pictures\flower.jpg

Output Path: C:\Users\admin\Pictures\

File name: flower

Extension: jpg

Design a class to overload a function check() as follows:

i) void check(String str, char ch) – to find and print the frequency of a character in a string.

Example :

Input Output

Str= “success” number of s present is=3

ch= ‘s’

ii) void check (String s1) – to display only the vowels from string s1 , after converting it to lower case.

Example :

Input:

S1= “computer” output: o u e

Programs on Function Overloading

1. Write a program to calculate the area and the perimeter of a rectangle and square having the method display (int, int) and display(int) using overloading technique.

Using the concept of function overloading WAP to find

i) Sum of 2 integers,

ii) Product of 2 Float values

iii) Reverse a number.

Write a program to using function called area() to output the area of circle (p*r²), where p=3.14

( a ) square (side * side )

( b ) rectangle (length * breadth )

Display the menu to output the area as per User’s choice.

Using the concept of 'function overloading' write a class with functions 'fact(int)' and ‘fact(int,int)’ which will calculate the value of n!/r!(n-r)! where n and r are given by the user.[7]
Write a class with the name volume using function overloading that computers the volume of a cube, a sphere and a cuboid.

Formula: volume of a cube (vc) = s * s * s

volume of a sphere (vs) = 4/3 * pi * r * r *r (where pi = 3.14 or 22/7)

Volume of a cuboid (vcd) = l * b * h

Write a class to overload a function num_calc() as follows:

i) void num_calc(int num, char ch) with one integer argument and one character argument, computes the square of integer argument if choice ch is ‘s’ otherwise finds its cube.

ii) void num_calc(int a, int b, char ch) with two integer arguments and one character argument. It computes the product of integer arguments if ch is ‘p’ else adds the integers.

iii) void num_calc(String s1, String s2) with two string arguments, which prints whether the strings are equal or not.

Design a class to overload a function compare ( ) as follows:

(a) void compare (int, int) – to compare two integer values and print the greater of the two integers.

(b) void compare (char, char) – to compare the numeric value of two character and print the character with higher numeric value

Design a class to overload a function polygon() as follows:

a) void polygon(int n, char ch) – with one integer argument and one character type argument that draws a filled square of side n using the character stored in ch

b) void polygon(int x, int y) – with two integer arguments that draws a filled rectangle of length x and breadth y, usign the symbol ‘@’

c) void polygon() – with no arguments that draws a filled triangle shown below.

Example:

i) Input value of n = 2, ch = ‘O’.

Output:

ii) Input value of n=2, y=5.

Output:

@@@@@

iii) Output:

***

Design a class to overload a function series( ) as follows:

i. double series(double n) with one double argument and returns the sum of the series.

sum = 1/1 + 1/2 + 1/3 + ..... 1/n

ii. double series(double a, double n) with two double arguments and returns the sum of the series.

sum = 1/a² + 4/a⁵ + 7/a⁸+ 10/a¹¹ .....to n terms

10. Design a class to overload a function area( ) as follows:

double area(double a, double b, double c) with three double arguments, returns the area of a scalene triangle using the formula: area =

where s =

double area(int a, int b, int height) with three integer arguments, returns the area of a trapezium using the formula: area =

double area(double diagonal1, double diagonal2) with two double arguments, returns the area of a rhombus using the formula: area =

Design a class to overload a function Joystring() as follows :

(i)void Joystring(String s, char ch1, char ch2) with one string and two character arguments that replaces the character argument ch1 with the character argument ch2 in the given string s and points the new string

Example :

Input value of s = “TECHNALAGY”

ch1 = ‘A’ , ch2 = ‘O’

Output : “TECHNOLOGY”

(ii)void Joystring(String s) with one string argument that prints the position of the first space and the last space of the given String s.

Example :First Index : 5

Last Index : 36

(iii)void Joystring(String s1, String s2) with two string arguments that combines the two strings with a space between them and prints the resultant string

Example :

Input value of s1 = “COMMON WEALTH”

s2 = “GAMES”

Output : “COMMON WEALTH GAMES”

Programs on Class and Objects and Constructor

Define a class Teacher described as below

Data member :

Name:(name)

Address:(address)

Phone Number:(phno)

Highest Qualification:(qualification)

Subject Specialisation:(subject)

Monthly Salary (msalary)

Income Tax (IT)

Member Method :

1 Default constructor

2 Accept() To Accept the details of a teacher.

3 Display() To display the teacher’s detials

4 Increment() To increment the monthly salary by 5000

5 Compute() To compute the annual income tax as 5% of the annual salary above Rs 150000

Write a main method to create object of a class and call the above member method.

Define a class 'numMagic' with two methods revNum(int n) and digitSum(int n). The method revNum(int n) reverses the number passed as an argument e.g. if then number is 346 it returns 643. digitSum(int n) returns the sum of the digits. [8]
Define a class salary described as below:-

Data Members : Name, Address, Phone, Subject Specialization, Monthly Salary, Income Tax.

Member methods : (i) To accept the details of a teacher including the monthly salary.

(ii) To display the details of the teacher.

(iii) To compute the annual Income Tax as 5% of the annual salary above Rs.1,75,000/-.

Write a main method to create object of a class and call the above member method.

Define a class employee having the following description:-

Data members/ int pan to store personal account number

Instance Variables String name to store name

double taxincome to store annual taxable income

double tax to store tax that is calculated

Member Functions:

input( ) Store the pan number, name, taxableincome

calc( ) Calculate tax for an employee

display( ) Output details of an employee

Write a program to compute the tax according to the given conditions and display the output as per given format.

Total Annual Taxable Income Tax Rate

Upto Rs. 1,00,000 No tax

From 1,00,001 to 1,50,000 10% of the income exceeding Rs. 1,00,000

From 1,50,001 to 2,50,000 Rs. 5,000 + 20% of the income exceeding Rs. 1,50,000

Above Rs. 2,50,000 Rs. 25,000 + 30% of the income exceeding Rs. 2,50,000

Output:

Pan Number Name Tax-income Tax

- - - -

Define a class student as described below:

Data members/instance variables:

name, age, m1, m2, m3 (marks in three subjects), maximum, average

Member methods:

(i) A parameterized constructor to initialize the data members

(ii) To accept the details of a student

(iii) To compute the average and maximum out of three marks

(iv) To display the name, age, marks in three subjects, maximum and average.

Write a main method to create an object of the class and call the above member methods.

Define a class called mobike with the following description:

Instance variables/data members:

int bno – to store the bike’s number

int phno – to store the phone number of the customer

String name – to store the name of the customer

int days – to store the number of days the bike is taken on rent

int charge – to calculate and store the rental charge

Member methods:

void input( ) – to input and store the detail of the customer.

void compute( ) – to compute the renall charge

The rent for a mobike is charged on the following basis.

First five days Rs 500 per day;

Next five days Rs 400 per day

Rest of the days Rs 200 per day

void display ( ) – to display the details in the following format:

Bike No. PhoneNo. No. of days Charge

Define a class called Library with the following description:

Instance variables/data members:

int acc_num – stores the accession number of the book

String title – stores the title of the book

String author – stores the name of the author

Member Methods:

void input() – to input and store the accession number, title and author

void compute() – to accept the number of days late, calculate and display the fine charged at the rate of Rs. 2 per day

void display() – to display the details in following format

Accession Number Title Author

---------------- ----- ------

Write a main method to create an object of the class and call the above member methods.

Define a class called FruitJuice with the following description:

Instance variables/data members:

int product_code - stores the product code number

String flavour - stores the flavor of the juice. (orangle, apple, etc.)

String pack_type - stores the type of packaging (tetra-pack, bottle, etc.)

int pack_size - stores package size (200ml, 400ml, etc.)

int product_price - stores the price of the product

Member methods:

FruitJuice( ) – default constructor to initialize integer data members to zero and string data members to “”

void input( ) - to input and store the product code, flavor, pack type, pack size and product price

void discount( ) - to reduce the product price by 10

void display( ) - to display the product code, flavor, pack type, pack size and product price

Define a class named movieMagic with the following description:

Instance variables/data members:

int year – to store the year of release of a movie

String title – to store the title of the movie

float rating – to store the popularity rating of the movie

(minimum rating = 0.0 and maximum rating = 5.0)

Member methods:

i. movieMagic( )Default constructor to initialize numeric data members to 0 and String data member to “”.

ii. void accept( )To input and store year, title and rating.

iii. void display( )To display the title of a movie and a message based on the rating as per the table below.

Rating Message to be displayed

0.0 to 2.0 Flop

2.1 to 3.4 Semi-hit

3.5 to 4.5 Hit

4.6 to 5.0 Super Hit

Write a main method to create an object of the class and call the above member methods.

Define a class Parking Lot with the following description :

Instance variables/data members :

int vno – to store the vehicle number

int hours – to store the number of hours the vehicle is parked in the parking lot

double bill – to store the bill amount

Member methods :

void input() – To input and store vno and hours

void calculate() – To compute the parking charge at the rate of Rs.3 for the first hour or part thereof, and Rs.1.50 for each additional hour or part thereof.

void display() – To display the detail

Write a main method to create an object of the class and call the above methods

Define a class named BookFair with the following description:

Instance variables/Data members:

String Bname – stores the name of the book.

double price – stores the price of the book.

Member Methods:

BookFair() Default constructor to initialize data members.

void Input() To input and store the name and the price of the book.

void calculate() To calculate the price after discount. Discount is calculated based on the following criteria.

Price Discount

Less than or equal to Rs 1000 2% of price

More than Rs 1000 and less than or equal to Rs 3000 10% of price

More than Rs 3000 15% of price

(iv) void display() To display the name and price of the book after discount.

Write a main method to create an object of the class and call the above member methods.

Define a class Electric Bill with the following specifications:

class : Electric Bill

Instance Variable/ data member :

String n- to store the name of the customer

int units – to store the number of units consumed

double bill- to store the amount to paid

Member methods:

Void accept() – to accept the name of the customer and number of units consumed

Void calculate() – to calculate the bill as per the following tariff :

Number of units Rate per unit

First 100 units Rs.2.00

Next 200 units Rs.3.00

Above 300 units Rs.5.00

A surcharge of 2.5% charged if the number of units consumed is above 300 units.

Void print()- To print the details as follows :

Name of the customer……………………….

Number of units consumed………………….

Bill amount…………………………………..

Write a main method to create an object of the class and call the above member methods.

Guide to ICSE students by S.N.Bhawani

Monday, 1 January 2018

Students should practice these Programs before Pre - ICSE & ICSE