About Us

Hi there,

I am Robin, and I am a Computer Science Teacher from India. I mainly teach the Java programming language to my students, but I also have mastery in Python programming.

I have built this blog with the aim to provide solutions to programming questions asked in ICSE, ISC and CBSE schools.

The blog allows the user to browse and search for solutions to different questions asked in board exams.

It also helps students from lower classes to access solved exercise questions in their computer science textbooks.

I hope you find this blog helpful.

Thank you!

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Encrypt Program ISC Specimen 2023 Theory

A class Encrypt has been defined to replace only the vowels in a word by the next corresponding vowel and forms a new word, i.e. A → E, E  → I, I  → O, O  → U and U  → A. Example : Input: COMPUTER Output: CUMPATIR Some of the members of the class are given below: Class name : Encrypt Data members/instance variables : wrd: to store a word len: integer to store the length of the word newWrd: to store the encrypted word Methods/Member functions : Encrypt(): default constructor to initialize data members with legal initial values void acceptWord(): to accept a word in uppercase void freqVowCon(): finds the frequency of the vowels void nextVowel(): replaces only the vowels from the word stored in 'wrd' by the next corresponding vowel and assigns it to 'newWrd', with the remaining alphabets unchanged void disp(): displays the original word along with the encrypted word Specify the class Encrypt giving details of the constructor, void acceptWord(), void freqVowCon(), void nex
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No Repeat Program ISC Computer Science 2022 Semester 2 Theory

Design a class NoRepeat which checks whether a word has no repeated alphabets in it. Example : COMPUTER has no repeated alphabets but SCIENCE has repeated alphabets. The details of the class are given below: Class name : NoRepeat Data members/instance variables : word: to store the word len: to store the length of the word Methods/Member functions : NoRepeat(String wd): parameterized constructor to initialize word = wd boolean check(): checks whether a word has no repeated alphabets and returns true else returns false void prn(): displays the word along with an appropriate message Specify the class NoRepeat, giving details of the constructor, boolean check() and void prn(). Define the main() function to create an object and call the functions accordingly to enable the task. import java.util.Scanner; class NoRepeat{     String word;     int len;     public NoRepeat(String wd){         word = wd;         len = word.length();     }     public boolean check(){         for(int i = 0; i &l
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Bank Inheritance Program ISC Specimen 2023 Theory

A super class Bank has been defined to store the details of the customer in a bank. Define a subclass Interest to calculate the compound interest. The details of the members of both the classes are given below: Class name : Bank Data members/instance variables : name: to store the name of the customer accNo: integer to store the account number principal: to store the principal amount in decimals Methods/member functions : Bank(...): parameterized constructor to assign values to the data members void display(): to display the customer details Class name : Interest Data members/instance variables : rate: to store the interest rate in decimals time: to store the time period in decimals Methods/member functions : Interest(...): parameterized constructor to assign values to the data members of both the classes double calculate(): to calculate and return the compound interest using the formula: CI = P(1 + R / 100) N - P, where P is the principal, R is the rate and N is the time void displ
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