Matrix Rotation – Anti Clock Wise
A M*N matrix having M rows and N columns containing integer values is passed as the input. The matrix must be rotated R times in counter-clock…
Forest Fire – TCS CodeVita
Roco is an island near Africa which is very prone to forest fire. Forest fire is such that it destroys the complete forest. Not a single tree…
String Stairs Pattern
The program must accept a string S containing only alphabets as the input. The program must print the string S…
JAVA – Class – Constructor Plus Methods Definition
The main method in Hello.java is as shown below. Define the class SimpleCalculator.java by filling in the code so that the…
Print Numbers – Frequency Based
An array of N positive integers is passed as input. The program must print the numbers in the array based on the frequency of their…
Calculator Implementation
The interface Calculator defines the following methods. Define the class NormalCalculator so that it implements the interface Calculator.…
Remove First K Even Digits
The program must accept N integers and an integer K as the input. The program must remove the first K even digits among the digits of N…
Finding Sum – TCS CodeVita
The program must accept N integers and an integer P as the input. The program must print the number of subsets of…
Two Digital Clocks
Two digital clocks C1 and C2 (in 24-hr format) are hanging in a room showing two different times in chronological order.…
Reverse Alphabet Triangle Pattern
The program must accept an integer N as the input. The program must print the desired pattern as shown in the Example Input/Output section.…