Data Care Corporation Technical Support Engineer 1 Interview Questions and Answers

5 coding questions you have to complete atleast 4

Q1. About yourself and technology related questions ,it can 1 or 1 and half an hour round
Add your answer

Basic aptitude questions

Php

Q1. Salary expectation for job
Add your answer

Q1. Java : Find all most occuring characters in given string only using arrays
Ans. 
Use arrays to find all most occurring characters in a given string in Java.
• Create an array to store the frequency of each character in the string.

• Iterate through the string and update the frequency array.

• Find the maximum frequency and then iterate through the frequency array to find all characters with that frequency.
Answered by AI
Add your answer

Q1. 1) OOP Concepts
Add your answer
Q2. Difference between Abstract class and interface
Ans. 
Abstract class can have both abstract and non-abstract methods, while interface can only have abstract methods.
• Abstract class can have constructors, fields, and methods, while interface cannot have any of these.

• A class can implement multiple interfaces but can only inherit from one abstract class.

• Abstract classes are used to provide a common base for multiple classes, while interfaces are used to define a contract for ...read more
Answered by AI
Add your answer
Q3. Mysql Concepts and Mysql queries
Add your answer
Q4. Logical questions on Array and String Functions in PHP
Add your answer
Q5. File handling functions such as fread, fopen, fclose etc and logical string function questions on file data.
Add your answer

Q1. All Scenario based questions
Add your answer
Q2. OOP Concepts in deep
Ans. 
OOP Concepts refer to the principles of Object-Oriented Programming, including encapsulation, inheritance, polymorphism, and abstraction.
• Encapsulation: Bundling data and methods that operate on the data into a single unit (object).

• Inheritance: Allowing a class to inherit properties and behavior from another class.

• Polymorphism: The ability for objects of different classes to respond to the same message in different ways...read more
Answered by AI
Add your answer
Q3. Software design pattern related questions
Add your answer
Q4. Small Logical programs
Add your answer
Q5. Database queries in deep
Ans. 
Database queries involve retrieving, updating, and manipulating data stored in a database.
• Database queries are used to retrieve specific data from a database based on certain criteria.

• Queries can also be used to update existing data or insert new data into the database.

• SQL (Structured Query Language) is commonly used to write database queries.

• Examples of database queries include SELECT, INSERT, UPDATE, and DELETE state
Answered by AI
Add your answer

Q1. Oops Concepts like Abstraction, difference between Abstract class and Method
Add your answer